Merge branch 'for-7.1/lenovo-v2' into for-linus

- new driver for Lenovo Legion Go / S devices (Derek J. Clark)

11 files changed, 5127 insertions, 2 deletions

diff --git a/Documentation/ABI/testing/sysfs-driver-hid-lenovo-go b/Documentation/ABI/testing/sysfs-driver-hid-lenovo-go
new file mode 100644
index 000000000000..c8221373ef76
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-driver-hid-lenovo-go
@@ -0,0 +1,724 @@
+What:		/sys/class/leds/go:rgb:joystick_rings/effect
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This controls the display effect of the RGB interface.
+
+		Values are monocolor, breathe, chroma, or rainbow.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/class/leds/go:rgb:joystick_rings/effect_index
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the available options for the effect attribute.
+
+		Values are monocolor, breathe, chroma, or rainbow.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/class/leds/go:rgb:joystick_rings/enabled
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This controls enabling or disabling the RGB interface.
+
+		Values are true or false.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/class/leds/go:rgb:joystick_rings/enabled_index
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the available options for the enabled attribute.
+
+		Values are true or false.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/class/leds/go:rgb:joystick_rings/mode
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This controls the operating mode of the RGB interface.
+
+		Values are dynamic or custom. Custom allows setting the RGB effect and color.
+    Dynamic is a Windows mode for syncing Lenovo RGB interfaces not currently
+    supported under Linux.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/class/leds/go:rgb:joystick_rings/mode_index
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the available options for the mode attribute.
+
+		Values are dynamic or custom.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/class/leds/go:rgb:joystick_rings/profile
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This controls selecting the configured RGB profile.
+
+		Values are 1-3.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/class/leds/go:rgb:joystick_rings/profile_range
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the available options for the profile attribute.
+
+		Values are 1-3.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/class/leds/go:rgb:joystick_rings/speed
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This controls the change rate for the breathe, chroma, and rainbow effects.
+
+		Values are 0-100.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/class/leds/go:rgb:joystick_rings/speed_range
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the available options for the speed attribute.
+
+		Values are 0-100.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/firmware_version
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the firmware version of the internal MCU.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/fps_mode_dpi
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the DPI of the right handle when the FPS mode switch is on.
+
+		Values are 500, 800, 1200, and 1800.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/fps_mode_dpi_index
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the available options for the fps_mode_dpi attribute.
+
+		Values are 500, 800, 1200, and 1800.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/hardware_generation
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the hardware generation of the internal MCU.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/hardware_version
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the hardware version of the internal MCU.
+
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/left_handle/auto_sleep_time
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This controls the sleep timer due to inactivity for the left removable controller.
+
+		Values are 0-255.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/left_handle/auto_sleep_time_range
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the available options for the left_handle/auto_sleep_time attribute.
+
+		Values are 0-255.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/left_handle/calibrate_gyro
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This initiates or halts calibration of the left removable controller's IMU.
+
+		Values are start, stop.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/left_handle/calibrate_gyro_index
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the available options for the left_handle/calibrate_gyro attribute.
+
+		Values are start, stop.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/left_handle/calibrate_gyro_status
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the result of the last attempted calibration of the left removable controller's IMU.
+
+		Values are unknown, success, failure.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/left_handle/calibrate_joystick
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This initiates or halts calibration of the left removable controller's joystick.
+
+		Values are start, stop.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/left_handle/calibrate_joystick_index
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the available options for the left_handle/calibrate_jotstick attribute.
+
+		Values are start, stop.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/left_handle/calibrate_joystick_status
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the result of the last attempted calibration of the left removable controller's joystick.
+
+		Values are unknown, success, failure.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/left_handle/calibrate_tirgger
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This initiates or halts calibration of the left removable controller's trigger.
+
+		Values are start, stop.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/left_handle/calibrate_gyro_trigger
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the available options for the left_handle/calibrate_trigger attribute.
+
+		Values are start, stop.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/left_handle/calibrate_trigger_status
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the result of the last attempted calibration of the left removable controller's trigger.
+
+		Values are unknown, success, failure.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/left_handle/firmware_version
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the left removable controller's firmware version.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/left_handle/hardware_generation
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the hardware generation of the left removable controller.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/left_handle/hardware_version
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the hardware version of the left removable controller.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/left_handle/imu_bypass_enabled
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This controls enabling or disabling the IMU bypass function of the left removable controller.
+
+		Values are true or false.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/left_handle/imu_bypass_enabled_index
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the available options for the left_handle/imu_bypass_enabled attribute.
+
+		Values are true or false.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/left_handle/imu_enabled
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This controls enabling or disabling the IMU of the left removable controller.
+
+		Values are true or false.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/left_handle/imu_enabled_index
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the available options for the left_handle/imu_enabled attribute.
+
+		Values are true or false.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/left_handle/product_version
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the product version of the left removable controller.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/left_handle/protocol_version
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the protocol version of the left removable controller.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/left_handle/reset
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	Resets the left removable controller to factory defaults.
+
+		Writing 1 to this path initiates.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/left_handle/rumble_mode
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This controls setting the response behavior for rumble events for the left removable controller.
+
+		Values are fps, racing, standarg, spg, rpg.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/left_handle/rumble_mode_index
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the available options for the left_handle/rumble_mode attribute.
+
+		Values are fps, racing, standarg, spg, rpg.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/left_handle/rumble_notification
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This controls enabling haptic rumble events for the left removable controller.
+
+		Values are true, false.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/left_handle/rumble_notification_index
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the available options for the left_handle/rumble_notification attribute.
+
+		Values are true, false.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/mode
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This controls the operating mode of the built-in controller.
+
+		Values are xinput or dinput.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/left_handle/mode_index
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the available options for the mode attribute.
+
+		Values are xinput or dinput.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/os_mode
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This controls the behavior of built in chord combinations.
+
+		Values are windows or linux.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/os_mode_index
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the available options for the os_mode attribute.
+
+		Values are windows or linux.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/product_version
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the product version of the internal MCU.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/right_handle/protocol_version
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the protocol version of the internal MCU.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/reset_mcu
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	Resets the internal MCU to factory defaults.
+
+		Writing 1 to this path initiates.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/right_handle/auto_sleep_time
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This controls the sleep timer due to inactivity for the right removable controller.
+
+		Values are 0-255.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/right_handle/auto_sleep_time_range
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the available options for the right_handle/auto_sleep_time attribute.
+
+		Values are 0-255.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/right_handle/calibrate_gyro
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This initiates or halts calibration of the right removable controller's IMU.
+
+		Values are start, stop.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/right_handle/calibrate_gyro_index
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the available options for the right_handle/calibrate_gyro attribute.
+
+		Values are start, stop.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/right_handle/calibrate_gyro_status
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the result of the last attempted calibration of the right removable controller's IMU.
+
+		Values are unknown, success, failure.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/right_handle/calibrate_joystick
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This initiates or halts calibration of the right removable controller's joystick.
+
+		Values are start, stop.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/right_handle/calibrate_joystick_index
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the available options for the right_handle/calibrate_jotstick attribute.
+
+		Values are start, stop.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/right_handle/calibrate_joystick_status
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the result of the last attempted calibration of the right removable controller's joystick.
+
+		Values are unknown, success, failure.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/right_handle/calibrate_tirgger
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This initiates or halts calibration of the right removable controller's trigger.
+
+		Values are start, stop.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/right_handle/calibrate_gyro_trigger
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the available options for the right_handle/calibrate_trigger attribute.
+
+		Values are start, stop.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/right_handle/calibrate_trigger_status
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the result of the last attempted calibration of the right removable controller's trigger.
+
+		Values are unknown, success, failure.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/right_handle/firmware_version
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the right removable controller's firmware version.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/right_handle/hardware_generation
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the hardware generation of the right removable controller.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/right_handle/hardware_version
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the hardware version of the right removable controller.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/right_handle/imu_bypass_enabled
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This controls enabling or disabling the IMU bypass function of the right removable controller.
+
+		Values are true or false.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/right_handle/imu_bypass_enabled_index
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the available options for the right_handle/imu_bypass_enabled attribute.
+
+		Values are true or false.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/right_handle/imu_enabled
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This controls enabling or disabling the IMU of the right removable controller.
+
+		Values are true or false.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/right_handle/imu_enabled_index
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the available options for the right_handle/imu_enabled attribute.
+
+		Values are true or false.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/right_handle/product_version
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the product version of the right removable controller.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/right_handle/protocol_version
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the protocol version of the right removable controller.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/right_handle/reset
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	Resets the right removable controller to factory defaults.
+
+		Writing 1 to this path initiates.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/right_handle/rumble_mode
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This controls setting the response behavior for rumble events for the right removable controller.
+
+		Values are fps, racing, standarg, spg, rpg.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/right_handle/rumble_mode_index
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the available options for the right_handle/rumble_mode attribute.
+
+		Values are fps, racing, standarg, spg, rpg.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/right_handle/rumble_notification
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This controls enabling haptic rumble events for the right removable controller.
+
+		Values are true, false.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/right_handle/rumble_notification_index
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the available options for the right_handle/rumble_notification attribute.
+
+		Values are true, false.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/rumble_intensity
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This controls setting the rumble intensity for both removable controllers.
+
+		Values are off, low, medium, high.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/rumble_intensity_index
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the available options for the rumble_intensity attribute.
+
+		Values are off, low, medium, high.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/touchpad/enabled
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This controls enabling or disabling the touchpad.
+
+		Values are true, false.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/touchpad/enabled_index
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the available options for the touchpad/enabled attribute.
+
+		Values are true, false.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/touchpad/vibration_enabled
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This controls enabling haptic rumble events for the touchpad.
+
+		Values are true, false.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/touchpad/vibration_enabled_index
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the available options for the touchpad/vibration_enabled attribute.
+
+		Values are true, false.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/touchpad/vibration_intensity
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This controls setting the intensity of the touchpad haptics.
+
+		Values are off, low, medium, high.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/touchpad/vibration_intensity_index
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the available options for the touchpad/vibration_intensity attribute.
+
+		Values are off, low, medium, high.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/tx_dongle/firmware_version
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the firmware version of the internal wireless transmission dongle.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/tx_dongle/hardware_generation
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the hardware generation of the internal wireless transmission dongle.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/tx_dongle/hardware_version
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the hardware version of the internal wireless transmission dongle.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/tx_dongle/product_version
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the product version of the internal wireless transmission dongle.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/tx_dongle/protocol_version
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the protocol version of the internal wireless transmission dongle.
+
+		Applies to Lenovo Legion Go and Go 2 line of handheld devices.
+
diff --git a/Documentation/ABI/testing/sysfs-driver-hid-lenovo-go-s b/Documentation/ABI/testing/sysfs-driver-hid-lenovo-go-s
new file mode 100644
index 000000000000..4d317074bb7e
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-driver-hid-lenovo-go-s
@@ -0,0 +1,304 @@
+What:		/sys/class/leds/go_s:rgb:joystick_rings/effect
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This controls the display effect of the RGB interface.
+
+		Values are monocolor, breathe, chroma, or rainbow.
+
+		Applies to Lenovo Legion Go S line of handheld devices.
+
+What:		/sys/class/leds/go_s:rgb:joystick_rings/effect_index
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the available options for the effect attribute.
+
+		Values are monocolor, breathe, chroma, or rainbow.
+
+		Applies to Lenovo Legion Go S line of handheld devices.
+
+What:		/sys/class/leds/go_s:rgb:joystick_rings/enabled
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This controls enabling or disabling the RGB interface.
+
+		Values are true or false.
+
+		Applies to Lenovo Legion Go S line of handheld devices.
+
+What:		/sys/class/leds/go_s:rgb:joystick_rings/enabled_index
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the available options for the enabled attribute.
+
+		Values are true or false.
+
+		Applies to Lenovo Legion Go S line of handheld devices.
+
+What:		/sys/class/leds/go_s:rgb:joystick_rings/mode
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This controls the operating mode of the RGB interface.
+
+		Values are dynamic or custom. Custom allows setting the RGB effect and color.
+    Dynamic is a Windows mode for syncing Lenovo RGB interfaces not currently
+    supported under Linux.
+
+		Applies to Lenovo Legion Go S line of handheld devices.
+
+What:		/sys/class/leds/go_s:rgb:joystick_rings/mode_index
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the available options for the mode attribute.
+
+		Values are dynamic or custom.
+
+		Applies to Lenovo Legion Go S line of handheld devices.
+
+What:		/sys/class/leds/go_s:rgb:joystick_rings/profile
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This controls selecting the configured RGB profile.
+
+		Values are 1-3.
+
+		Applies to Lenovo Legion Go S line of handheld devices.
+
+What:		/sys/class/leds/go_s:rgb:joystick_rings/profile_range
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the available options for the profile attribute.
+
+		Values are 1-3.
+
+		Applies to Lenovo Legion Go S line of handheld devices.
+
+What:		/sys/class/leds/go_s:rgb:joystick_rings/speed
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This controls the change rate for the breathe, chroma, and rainbow effects.
+
+		Values are 0-100.
+
+		Applies to Lenovo Legion Go S line of handheld devices.
+
+What:		/sys/class/leds/go_s:rgb:joystick_rings/speed_range
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the available options for the speed attribute.
+
+		Values are 0-100.
+
+		Applies to Lenovo Legion Go S line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/gamepad/auto_sleep_time
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This controls the sleep timer due to inactivity for the built-in controller.
+
+		Values are 0-255.
+
+		Applies to Lenovo Legion Go S line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/gamepad/auto_sleep_time_range
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the available options for the gamepad/auto_sleep_time attribute.
+
+		Values are 0-255.
+
+		Applies to Lenovo Legion Go S line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/gamepad/dpad_mode
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This controls the operating mode of the built-in controllers D-pad.
+
+		Values are 4-way or 8-way.
+
+		Applies to Lenovo Legion Go S line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/gamepad/dpad_mode_index
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the available options for the gamepad/dpad_mode attribute.
+
+		Values are 4-way or 8-way.
+
+		Applies to Lenovo Legion Go S line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/gamepad/mode
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This controls the operating mode of the built-in controller.
+
+		Values are xinput or dinput.
+
+		Applies to Lenovo Legion Go S line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/gamepad/mode_index
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the available options for the gamepad/mode attribute.
+
+		Values are xinput or dinput.
+
+		Applies to Lenovo Legion Go S line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/gamepad/poll_rate
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This controls the poll rate in Hz of the built-in controller.
+
+		Values are 125, 250, 500, or 1000.
+
+		Applies to Lenovo Legion Go S line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/gamepad/poll_rate_index
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the available options for the gamepad/poll_rate attribute.
+
+		Values are 125, 250, 500, or 1000.
+
+		Applies to Lenovo Legion Go S line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/imu/bypass_enabled
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This controls enabling or disabling the IMU bypass function. When enabled the IMU data is directly reported to the OS through
+an HIDRAW interface.
+
+		Values are true or false.
+
+		Applies to Lenovo Legion Go S line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/imu/bypass_enabled_index
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the available options for the imu/bypass_enabled attribute.
+
+		Values are true or false.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/imu/manufacturer
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the manufacturer of the intertial measurment unit.
+
+		Values are Bosch or ST.
+
+		Applies to Lenovo Legion Go S line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/imu/sensor_enabled
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This controls enabling or disabling the IMU.
+
+		Values are true, false, or wake-2s.
+
+		Applies to Lenovo Legion Go S line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/imu/sensor_enabled_index
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the available options for the imu/sensor_enabled attribute.
+
+		Values are true, false, or wake-2s.
+
+		Applies to Lenovo Legion Go S line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/mcu_id
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the MCU Identification Number
+
+		Applies to Lenovo Legion Go S line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/mouse/step
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This controls which value is used for the mouse sensitivity.
+
+		Values are 1-127.
+
+		Applies to Lenovo Legion Go S line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/mouse/step_range
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the available options for the mouse/step attribute.
+
+		Values are 1-127.
+
+		Applies to Lenovo Legion Go S line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/os_mode
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This controls which value is used for the touchpads operating mode.
+
+		Values are windows or linux.
+
+		Applies to Lenovo Legion Go S line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/os_mode_index
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the available options for the os_mode attribute.
+
+		Values are windows or linux.
+
+		Applies to Lenovo Legion Go S line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/touchpad/enabled
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This controls enabling or disabling the built-in touchpad.
+
+		Values are true or false.
+
+		Applies to Lenovo Legion Go S line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/touchpad/enabled_index
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the available options for the touchpad/enabled attribute.
+
+		Values are true or false.
+
+		Applies to Lenovo Legion Go S line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/touchpad/linux_mode
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This controls behavior of the touchpad events when os_mode is set to linux.
+
+		Values are absolute or relative.
+
+		Applies to Lenovo Legion Go S line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/touchpad/linux_mode_index
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the available options for the touchpad/linux_mode attribute.
+
+		Values are absolute or relative.
+
+		Applies to Lenovo Legion Go S line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/touchpad/windows_mode
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This controls behavior of the touchpad events when os_mode is set to windows.
+
+		Values are absolute or relative.
+
+		Applies to Lenovo Legion Go S line of handheld devices.
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/touchpad/windows_mode_index
+Date:		April 2026
+Contact:	linux-input@vger.kernel.org
+Description:	This displays the available options for the touchpad/windows_mode attribute.
+
+		Values are absolute or relative.
+
+		Applies to Lenovo Legion Go S line of handheld devices.
diff --git a/MAINTAINERS b/MAINTAINERS
index 85a333e1d024..ed97b72d08ee 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -14469,6 +14469,17 @@ L:	platform-driver-x86@vger.kernel.org
 S:	Maintained
 F:	drivers/platform/x86/lenovo/wmi-hotkey-utilities.c
 
+LENOVO HID drivers
+M:	Derek J. Clark <derekjohn.clark@gmail.com>
+M:	Mark Pearson <mpearson-lenovo@squebb.ca>
+L:	linux-input@vger.kernel.org
+S:	Maintained
+F:	Documentation/ABI/testing/sysfs-driver-hid-lenovo-go
+F:	Documentation/ABI/testing/sysfs-driver-hid-lenovo-go-s
+F:	drivers/hid/hid-lenovo-go-s.c
+F:	drivers/hid/hid-lenovo-go.c
+F:	drivers/hid/hid-lenovo.c
+
 LETSKETCH HID TABLET DRIVER
 M:	Hans de Goede <hansg@kernel.org>
 L:	linux-input@vger.kernel.org
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index e49c3f648cc3..ff2f580b660b 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -601,8 +601,7 @@ config HID_LED
 
 config HID_LENOVO
 	tristate "Lenovo / Thinkpad devices"
-	select NEW_LEDS
-	select LEDS_CLASS
+	depends on LEDS_CLASS
 	help
 	Support for IBM/Lenovo devices that are not fully compliant with HID standard.
 
@@ -614,6 +613,28 @@ config HID_LENOVO
 	- ThinkPad Compact Bluetooth Keyboard with TrackPoint (supports Fn keys)
 	- ThinkPad Compact USB Keyboard with TrackPoint (supports Fn keys)
 
+config HID_LENOVO_GO
+	tristate "HID Driver for Lenovo Legion Go Series Controllers"
+	depends on USB_HID
+	depends on LEDS_CLASS_MULTICOLOR
+	help
+	Support for Lenovo Legion Go devices with detachable controllers.
+
+	Say Y here to include configuration interface support for the Lenovo Legion Go
+	and Legion Go 2 Handheld Console Controllers. Say M here to compile this
+	driver as a module. The module will be called hid-lenovo-go.
+
+config HID_LENOVO_GO_S
+	tristate "HID Driver for Lenovo Legion Go S Controller"
+	depends on USB_HID
+	depends on LEDS_CLASS_MULTICOLOR
+	help
+	Support for Lenovo Legion Go S Handheld Console Controller.
+
+	Say Y here to include configuration interface support for the Lenovo Legion Go
+	S. Say M here to compile this driver as a module. The module will be called
+	hid-lenovo-go-s.
+
 config HID_LETSKETCH
 	tristate "Letsketch WP9620N tablets"
 	depends on USB_HID
diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile
index 616ff21852ca..0597fd6a4ffd 100644
--- a/drivers/hid/Makefile
+++ b/drivers/hid/Makefile
@@ -76,6 +76,8 @@ obj-$(CONFIG_HID_KYE)		+= hid-kye.o
 obj-$(CONFIG_HID_KYSONA)	+= hid-kysona.o
 obj-$(CONFIG_HID_LCPOWER)	+= hid-lcpower.o
 obj-$(CONFIG_HID_LENOVO)	+= hid-lenovo.o
+obj-$(CONFIG_HID_LENOVO_GO)	+= hid-lenovo-go.o
+obj-$(CONFIG_HID_LENOVO_GO_S)	+= hid-lenovo-go-s.o
 obj-$(CONFIG_HID_LETSKETCH)	+= hid-letsketch.o
 obj-$(CONFIG_HID_LOGITECH)	+= hid-logitech.o
 obj-$(CONFIG_HID_LOGITECH)	+= hid-lg-g15.o
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index dd78884a200a..61afec5915ec 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -2895,6 +2895,11 @@ static int hid_uevent(const struct device *dev, struct kobj_uevent_env *env)
 	if (add_uevent_var(env, "MODALIAS=hid:b%04Xg%04Xv%08Xp%08X",
 			   hdev->bus, hdev->group, hdev->vendor, hdev->product))
 		return -ENOMEM;
+	if (hdev->firmware_version) {
+		if (add_uevent_var(env, "HID_FIRMWARE_VERSION=0x%04llX",
+				   hdev->firmware_version))
+			return -ENOMEM;
+	}
 
 	return 0;
 }
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 27789d3bf130..0cf63742315b 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -754,6 +754,10 @@
 #define USB_DEVICE_ID_ITE8595		0x8595
 #define USB_DEVICE_ID_ITE_MEDION_E1239T	0xce50
 
+#define USB_VENDOR_ID_QHE		0x1a86
+#define USB_DEVICE_ID_LENOVO_LEGION_GO_S_XINPUT 0xe310
+#define USB_DEVICE_ID_LENOVO_LEGION_GO_S_DINPUT 0xe311
+
 #define USB_VENDOR_ID_JABRA		0x0b0e
 #define USB_DEVICE_ID_JABRA_SPEAK_410	0x0412
 #define USB_DEVICE_ID_JABRA_SPEAK_510	0x0420
@@ -873,7 +877,10 @@
 #define USB_DEVICE_ID_LENOVO_PIXART_USB_MOUSE_602E	0x602e
 #define USB_DEVICE_ID_LENOVO_PIXART_USB_MOUSE_6093	0x6093
 #define USB_DEVICE_ID_LENOVO_LEGION_GO_DUAL_DINPUT	0x6184
+#define USB_DEVICE_ID_LENOVO_LEGION_GO2_XINPUT		0x61eb
+#define USB_DEVICE_ID_LENOVO_LEGION_GO2_DINPUT		0x61ec
 #define USB_DEVICE_ID_LENOVO_LEGION_GO2_DUAL_DINPUT	0x61ed
+#define USB_DEVICE_ID_LENOVO_LEGION_GO2_FPS		0x61ee
 
 #define USB_VENDOR_ID_LETSKETCH		0x6161
 #define USB_DEVICE_ID_WP9620N		0x4d15
diff --git a/drivers/hid/hid-lenovo-go-s.c b/drivers/hid/hid-lenovo-go-s.c
new file mode 100644
index 000000000000..01c7bdd4fbe0
--- /dev/null
+++ b/drivers/hid/hid-lenovo-go-s.c
@@ -0,0 +1,1504 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ *  HID driver for Lenovo Legion Go S devices.
+ *
+ *  Copyright (c) 2026 Derek J. Clark <derekjohn.clark@gmail.com>
+ *  Copyright (c) 2026 Valve Corporation
+ */
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/array_size.h>
+#include <linux/cleanup.h>
+#include <linux/completion.h>
+#include <linux/delay.h>
+#include <linux/dev_printk.h>
+#include <linux/device.h>
+#include <linux/hid.h>
+#include <linux/jiffies.h>
+#include <linux/kstrtox.h>
+#include <linux/led-class-multicolor.h>
+#include <linux/mutex.h>
+#include <linux/printk.h>
+#include <linux/string.h>
+#include <linux/sysfs.h>
+#include <linux/types.h>
+#include <linux/unaligned.h>
+#include <linux/usb.h>
+#include <linux/workqueue.h>
+#include <linux/workqueue_types.h>
+
+#include "hid-ids.h"
+
+#define GO_S_CFG_INTF_IN	0x84
+#define GO_S_PACKET_SIZE	64
+
+static struct hid_gos_cfg {
+	struct delayed_work gos_cfg_setup;
+	struct completion send_cmd_complete;
+	struct led_classdev *led_cdev;
+	struct hid_device *hdev;
+	struct mutex cfg_mutex; /*ensure single synchronous output report*/
+	u8 gp_auto_sleep_time;
+	u8 gp_dpad_mode;
+	u8 gp_mode;
+	u8 gp_poll_rate;
+	u8 imu_bypass_en;
+	u8 imu_manufacturer;
+	u8 imu_sensor_en;
+	u8 mcu_id[12];
+	u8 mouse_step;
+	u8 os_mode;
+	u8 rgb_effect;
+	u8 rgb_en;
+	u8 rgb_mode;
+	u8 rgb_profile;
+	u8 rgb_speed;
+	u8 tp_en;
+	u8 tp_linux_mode;
+	u8 tp_windows_mode;
+	u8 tp_version;
+	u8 tp_manufacturer;
+} drvdata;
+
+struct gos_cfg_attr {
+	u8 index;
+};
+
+struct command_report {
+	u8 cmd;
+	u8 sub_cmd;
+	u8 data[63];
+} __packed;
+
+struct version_report {
+	u8 cmd;
+	u32 version;
+	u8 reserved[59];
+} __packed;
+
+enum mcu_command_index {
+	GET_VERSION = 0x01,
+	GET_MCU_ID,
+	GET_GAMEPAD_CFG,
+	SET_GAMEPAD_CFG,
+	GET_TP_PARAM,
+	SET_TP_PARAM,
+	GET_RGB_CFG = 0x0f,
+	SET_RGB_CFG,
+	GET_PL_TEST = 0xdf,
+};
+
+enum feature_enabled_index {
+	FEATURE_DISABLED,
+	FEATURE_ENABLED,
+};
+
+static const char *const feature_enabled_text[] = {
+	[FEATURE_DISABLED] = "false",
+	[FEATURE_ENABLED] = "true",
+};
+
+enum feature_status_index {
+	FEATURE_NONE = 0x00,
+	FEATURE_GAMEPAD_MODE = 0x01,
+	FEATURE_AUTO_SLEEP_TIME = 0x04,
+	FEATURE_IMU_BYPASS,
+	FEATURE_RGB_ENABLE,
+	FEATURE_IMU_ENABLE,
+	FEATURE_TOUCHPAD_ENABLE,
+	FEATURE_OS_MODE = 0x0A,
+	FEATURE_POLL_RATE = 0x10,
+	FEATURE_DPAD_MODE,
+	FEATURE_MOUSE_WHEEL_STEP,
+};
+
+enum gamepad_mode_index {
+	XINPUT,
+	DINPUT,
+};
+
+static const char *const gamepad_mode_text[] = {
+	[XINPUT] = "xinput",
+	[DINPUT] = "dinput",
+};
+
+enum os_type_index {
+	WINDOWS,
+	LINUX,
+};
+
+static const char *const os_type_text[] = {
+	[WINDOWS] = "windows",
+	[LINUX] = "linux",
+};
+
+enum poll_rate_index {
+	HZ125,
+	HZ250,
+	HZ500,
+	HZ1000,
+};
+
+static const char *const poll_rate_text[] = {
+	[HZ125] = "125",
+	[HZ250] = "250",
+	[HZ500] = "500",
+	[HZ1000] = "1000",
+};
+
+enum dpad_mode_index {
+	DIR8,
+	DIR4,
+};
+
+static const char *const dpad_mode_text[] = {
+	[DIR8] = "8-way",
+	[DIR4] = "4-way",
+};
+
+enum touchpad_mode_index {
+	TP_REL,
+	TP_ABS,
+};
+
+static const char *const touchpad_mode_text[] = {
+	[TP_REL] = "relative",
+	[TP_ABS] = "absolute",
+};
+
+enum touchpad_config_index {
+	CFG_WINDOWS_MODE = 0x03,
+	CFG_LINUX_MODE,
+
+};
+
+enum rgb_mode_index {
+	RGB_MODE_DYNAMIC,
+	RGB_MODE_CUSTOM,
+};
+
+static const char *const rgb_mode_text[] = {
+	[RGB_MODE_DYNAMIC] = "dynamic",
+	[RGB_MODE_CUSTOM] = "custom",
+};
+
+enum rgb_effect_index {
+	RGB_EFFECT_MONO,
+	RGB_EFFECT_BREATHE,
+	RGB_EFFECT_CHROMA,
+	RGB_EFFECT_RAINBOW,
+};
+
+static const char *const rgb_effect_text[] = {
+	[RGB_EFFECT_MONO] = "monocolor",
+	[RGB_EFFECT_BREATHE] = "breathe",
+	[RGB_EFFECT_CHROMA] = "chroma",
+	[RGB_EFFECT_RAINBOW] = "rainbow",
+};
+
+enum rgb_config_index {
+	LIGHT_MODE_SEL = 0x01,
+	LIGHT_PROFILE_SEL,
+	USR_LIGHT_PROFILE_1,
+	USR_LIGHT_PROFILE_2,
+	USR_LIGHT_PROFILE_3,
+};
+
+enum test_command_index {
+	TEST_TP_MFR = 0x02,
+	TEST_IMU_MFR,
+	TEST_TP_VER,
+};
+
+enum tp_mfr_index {
+	TP_NONE,
+	TP_BETTERLIFE,
+	TP_SIPO,
+};
+
+static const char *const touchpad_manufacturer_text[] = {
+	[TP_NONE] = "none",
+	[TP_BETTERLIFE] = "BetterLife",
+	[TP_SIPO] = "SIPO",
+};
+
+enum imu_mfr_index {
+	IMU_NONE,
+	IMU_BOSCH,
+	IMU_ST,
+};
+
+static const char *const imu_manufacturer_text[] = {
+	[IMU_NONE] = "none",
+	[IMU_BOSCH] = "Bosch",
+	[IMU_ST] = "ST",
+};
+
+static int hid_gos_version_event(u8 *data)
+{
+	struct version_report *ver_rep = (struct version_report *)data;
+
+	drvdata.hdev->firmware_version = get_unaligned_le32(&ver_rep->version);
+	return 0;
+}
+
+static int hid_gos_mcu_id_event(struct command_report *cmd_rep)
+{
+	drvdata.mcu_id[0] = cmd_rep->sub_cmd;
+	memcpy(&drvdata.mcu_id[1], cmd_rep->data, 11);
+
+	return 0;
+}
+
+static int hid_gos_gamepad_cfg_event(struct command_report *cmd_rep)
+{
+	int ret = 0;
+
+	switch (cmd_rep->sub_cmd) {
+	case FEATURE_GAMEPAD_MODE:
+		drvdata.gp_mode = cmd_rep->data[0];
+		break;
+	case FEATURE_AUTO_SLEEP_TIME:
+		drvdata.gp_auto_sleep_time = cmd_rep->data[0];
+		break;
+	case FEATURE_IMU_BYPASS:
+		drvdata.imu_bypass_en = cmd_rep->data[0];
+		break;
+	case FEATURE_RGB_ENABLE:
+		drvdata.rgb_en = cmd_rep->data[0];
+		break;
+	case FEATURE_IMU_ENABLE:
+		drvdata.imu_sensor_en = cmd_rep->data[0];
+		break;
+	case FEATURE_TOUCHPAD_ENABLE:
+		drvdata.tp_en = cmd_rep->data[0];
+		break;
+	case FEATURE_OS_MODE:
+		drvdata.os_mode = cmd_rep->data[0];
+		break;
+	case FEATURE_POLL_RATE:
+		drvdata.gp_poll_rate = cmd_rep->data[0];
+		break;
+	case FEATURE_DPAD_MODE:
+		drvdata.gp_dpad_mode = cmd_rep->data[0];
+		break;
+	case FEATURE_MOUSE_WHEEL_STEP:
+		drvdata.mouse_step = cmd_rep->data[0];
+		break;
+	default:
+		ret = -EINVAL;
+		break;
+	}
+
+	return ret;
+}
+
+static int hid_gos_touchpad_event(struct command_report *cmd_rep)
+{
+	int ret = 0;
+
+	switch (cmd_rep->sub_cmd) {
+	case CFG_LINUX_MODE:
+		drvdata.tp_linux_mode = cmd_rep->data[0];
+		break;
+	case CFG_WINDOWS_MODE:
+		drvdata.tp_windows_mode = cmd_rep->data[0];
+		break;
+	default:
+		ret = -EINVAL;
+		break;
+	}
+
+	return ret;
+}
+
+static int hid_gos_pl_test_event(struct command_report *cmd_rep)
+{
+	int ret = 0;
+
+	switch (cmd_rep->sub_cmd) {
+	case TEST_TP_MFR:
+		drvdata.tp_manufacturer = cmd_rep->data[0];
+		ret = 0;
+		break;
+	case TEST_IMU_MFR:
+		drvdata.imu_manufacturer = cmd_rep->data[0];
+		ret = 0;
+		break;
+	case TEST_TP_VER:
+		drvdata.tp_version = cmd_rep->data[0];
+		ret = 0;
+		break;
+	default:
+		ret = -EINVAL;
+		break;
+	}
+	return ret;
+}
+
+static int hid_gos_light_event(struct command_report *cmd_rep)
+{
+	struct led_classdev_mc *mc_cdev;
+	int ret = 0;
+
+	switch (cmd_rep->sub_cmd) {
+	case LIGHT_MODE_SEL:
+		drvdata.rgb_mode = cmd_rep->data[0];
+		ret = 0;
+		break;
+	case LIGHT_PROFILE_SEL:
+		drvdata.rgb_profile = cmd_rep->data[0];
+		ret = 0;
+		break;
+	case USR_LIGHT_PROFILE_1:
+	case USR_LIGHT_PROFILE_2:
+	case USR_LIGHT_PROFILE_3:
+		mc_cdev = lcdev_to_mccdev(drvdata.led_cdev);
+		drvdata.rgb_effect = cmd_rep->data[0];
+		mc_cdev->subled_info[0].intensity = cmd_rep->data[1];
+		mc_cdev->subled_info[1].intensity = cmd_rep->data[2];
+		mc_cdev->subled_info[2].intensity = cmd_rep->data[3];
+		drvdata.led_cdev->brightness = cmd_rep->data[4];
+		drvdata.rgb_speed = cmd_rep->data[5];
+		ret = 0;
+		break;
+	default:
+		ret = -EINVAL;
+		break;
+	}
+	return ret;
+}
+
+static int hid_gos_set_event_return(struct command_report *cmd_rep)
+{
+	if (cmd_rep->data[0] != 0)
+		return -EIO;
+
+	return 0;
+}
+
+static int get_endpoint_address(struct hid_device *hdev)
+{
+	struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
+	struct usb_host_endpoint *ep;
+
+	if (intf) {
+		ep = intf->cur_altsetting->endpoint;
+		if (ep)
+			return ep->desc.bEndpointAddress;
+	}
+
+	return -ENODEV;
+}
+
+static int hid_gos_raw_event(struct hid_device *hdev, struct hid_report *report,
+			     u8 *data, int size)
+{
+	struct command_report *cmd_rep;
+	int ep, ret;
+
+	ep = get_endpoint_address(hdev);
+	if (ep != GO_S_CFG_INTF_IN)
+		return 0;
+
+	if (size != GO_S_PACKET_SIZE)
+		return -EINVAL;
+
+	cmd_rep = (struct command_report *)data;
+
+	switch (cmd_rep->cmd) {
+	case GET_VERSION:
+		ret = hid_gos_version_event(data);
+		break;
+	case GET_MCU_ID:
+		ret = hid_gos_mcu_id_event(cmd_rep);
+		break;
+	case GET_GAMEPAD_CFG:
+		ret = hid_gos_gamepad_cfg_event(cmd_rep);
+		break;
+	case GET_TP_PARAM:
+		ret = hid_gos_touchpad_event(cmd_rep);
+		break;
+	case GET_PL_TEST:
+		ret = hid_gos_pl_test_event(cmd_rep);
+		break;
+	case GET_RGB_CFG:
+		ret = hid_gos_light_event(cmd_rep);
+		break;
+	case SET_GAMEPAD_CFG:
+	case SET_RGB_CFG:
+	case SET_TP_PARAM:
+		ret = hid_gos_set_event_return(cmd_rep);
+		break;
+	default:
+		ret = -EINVAL;
+		break;
+	}
+	dev_dbg(&hdev->dev, "Rx data as raw input report: [%*ph]\n",
+		GO_S_PACKET_SIZE, data);
+
+	complete(&drvdata.send_cmd_complete);
+	return ret;
+}
+
+static int mcu_property_out(struct hid_device *hdev, u8 command, u8 index,
+			    u8 *data, size_t len)
+{
+	unsigned char *dmabuf __free(kfree) = NULL;
+	u8 header[] = { command, index };
+	size_t header_size = ARRAY_SIZE(header);
+	int timeout, ret;
+
+	if (header_size + len > GO_S_PACKET_SIZE)
+		return -EINVAL;
+
+	guard(mutex)(&drvdata.cfg_mutex);
+	/* We can't use a devm_alloc reusable buffer without side effects during suspend */
+	dmabuf = kzalloc(GO_S_PACKET_SIZE, GFP_KERNEL);
+	if (!dmabuf)
+		return -ENOMEM;
+
+	memcpy(dmabuf, header, header_size);
+	memcpy(dmabuf + header_size, data, len);
+
+	dev_dbg(&hdev->dev, "Send data as raw output report: [%*ph]\n",
+		GO_S_PACKET_SIZE, dmabuf);
+
+	ret = hid_hw_output_report(hdev, dmabuf, GO_S_PACKET_SIZE);
+	if (ret < 0)
+		return ret;
+
+	ret = ret == GO_S_PACKET_SIZE ? 0 : -EINVAL;
+	if (ret)
+		return ret;
+
+	/* PL_TEST commands can take longer because they go out to another device */
+	timeout = (command == GET_PL_TEST) ? 200 : 5;
+	ret = wait_for_completion_interruptible_timeout(&drvdata.send_cmd_complete,
+							msecs_to_jiffies(timeout));
+
+	if (ret == 0) /* timeout occurred */
+		ret = -EBUSY;
+
+	reinit_completion(&drvdata.send_cmd_complete);
+	return 0;
+}
+
+static ssize_t gamepad_property_store(struct device *dev,
+				      struct device_attribute *attr,
+				      const char *buf, size_t count,
+				      enum feature_status_index index)
+{
+	size_t size = 1;
+	u8 val = 0;
+	int ret;
+
+	switch (index) {
+	case FEATURE_GAMEPAD_MODE:
+		ret = sysfs_match_string(gamepad_mode_text, buf);
+		if (ret < 0)
+			return ret;
+		val = ret;
+		break;
+	case FEATURE_AUTO_SLEEP_TIME:
+		ret = kstrtou8(buf, 10, &val);
+		if (ret)
+			return ret;
+		break;
+	case FEATURE_IMU_ENABLE:
+		ret = sysfs_match_string(feature_enabled_text, buf);
+		if (ret < 0)
+			return ret;
+		val = ret;
+		break;
+	case FEATURE_IMU_BYPASS:
+		ret = sysfs_match_string(feature_enabled_text, buf);
+		if (ret < 0)
+			return ret;
+		val = ret;
+		break;
+	case FEATURE_RGB_ENABLE:
+		ret = sysfs_match_string(feature_enabled_text, buf);
+		if (ret < 0)
+			return ret;
+		val = ret;
+		break;
+	case FEATURE_TOUCHPAD_ENABLE:
+		ret = sysfs_match_string(feature_enabled_text, buf);
+		if (ret < 0)
+			return ret;
+		val = ret;
+		break;
+	case FEATURE_OS_MODE:
+		ret = sysfs_match_string(os_type_text, buf);
+		if (ret < 0)
+			return ret;
+		val = ret;
+		break;
+	case FEATURE_POLL_RATE:
+		ret = sysfs_match_string(poll_rate_text, buf);
+		if (ret < 0)
+			return ret;
+		val = ret;
+		break;
+	case FEATURE_DPAD_MODE:
+		ret = sysfs_match_string(dpad_mode_text, buf);
+		if (ret < 0)
+			return ret;
+		val = ret;
+		break;
+	case FEATURE_MOUSE_WHEEL_STEP:
+		ret = kstrtou8(buf, 10, &val);
+		if (ret)
+			return ret;
+		if (val < 1 || val > 127)
+			return -EINVAL;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	if (!val)
+		size = 0;
+
+	ret = mcu_property_out(drvdata.hdev, SET_GAMEPAD_CFG, index, &val,
+			       size);
+	if (ret < 0)
+		return ret;
+
+	return count;
+}
+
+static ssize_t gamepad_property_show(struct device *dev,
+				     struct device_attribute *attr, char *buf,
+				     enum feature_status_index index)
+{
+	ssize_t count = 0;
+	u8 i;
+
+	count = mcu_property_out(drvdata.hdev, GET_GAMEPAD_CFG, index, NULL, 0);
+	if (count < 0)
+		return count;
+
+	switch (index) {
+	case FEATURE_GAMEPAD_MODE:
+		i = drvdata.gp_mode;
+		if (i >= ARRAY_SIZE(gamepad_mode_text))
+			return -EINVAL;
+		count = sysfs_emit(buf, "%s\n", gamepad_mode_text[i]);
+		break;
+	case FEATURE_AUTO_SLEEP_TIME:
+		count = sysfs_emit(buf, "%u\n", drvdata.gp_auto_sleep_time);
+		break;
+	case FEATURE_IMU_ENABLE:
+		i = drvdata.imu_sensor_en;
+		if (i >= ARRAY_SIZE(feature_enabled_text))
+			return -EINVAL;
+		count = sysfs_emit(buf, "%s\n", feature_enabled_text[i]);
+		break;
+	case FEATURE_IMU_BYPASS:
+		i = drvdata.imu_bypass_en;
+		if (i >= ARRAY_SIZE(feature_enabled_text))
+			return -EINVAL;
+		count = sysfs_emit(buf, "%s\n", feature_enabled_text[i]);
+		break;
+	case FEATURE_RGB_ENABLE:
+		i = drvdata.rgb_en;
+		if (i >= ARRAY_SIZE(feature_enabled_text))
+			return -EINVAL;
+		count = sysfs_emit(buf, "%s\n", feature_enabled_text[i]);
+		break;
+	case FEATURE_TOUCHPAD_ENABLE:
+		i = drvdata.tp_en;
+		if (i >= ARRAY_SIZE(feature_enabled_text))
+			return -EINVAL;
+		count = sysfs_emit(buf, "%s\n", feature_enabled_text[i]);
+		break;
+	case FEATURE_OS_MODE:
+		i = drvdata.os_mode;
+		if (i >= ARRAY_SIZE(os_type_text))
+			return -EINVAL;
+		count = sysfs_emit(buf, "%s\n", os_type_text[i]);
+		break;
+	case FEATURE_POLL_RATE:
+		i = drvdata.gp_poll_rate;
+		if (i >= ARRAY_SIZE(poll_rate_text))
+			return -EINVAL;
+		count = sysfs_emit(buf, "%s\n", poll_rate_text[i]);
+		break;
+	case FEATURE_DPAD_MODE:
+		i = drvdata.gp_dpad_mode;
+		if (i >= ARRAY_SIZE(dpad_mode_text))
+			return -EINVAL;
+		count = sysfs_emit(buf, "%s\n", dpad_mode_text[i]);
+		break;
+	case FEATURE_MOUSE_WHEEL_STEP:
+		i = drvdata.mouse_step;
+		if (i < 1 || i > 127)
+			return -EINVAL;
+		count = sysfs_emit(buf, "%u\n", i);
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return count;
+}
+
+static ssize_t gamepad_property_options(struct device *dev,
+					struct device_attribute *attr,
+					char *buf,
+					enum feature_status_index index)
+{
+	size_t count = 0;
+	unsigned int i;
+
+	switch (index) {
+	case FEATURE_GAMEPAD_MODE:
+		for (i = 0; i < ARRAY_SIZE(gamepad_mode_text); i++) {
+			count += sysfs_emit_at(buf, count, "%s ",
+					       gamepad_mode_text[i]);
+		}
+		break;
+	case FEATURE_AUTO_SLEEP_TIME:
+		return sysfs_emit(buf, "0-255\n");
+	case FEATURE_IMU_ENABLE:
+		for (i = 0; i < ARRAY_SIZE(feature_enabled_text); i++) {
+			count += sysfs_emit_at(buf, count, "%s ",
+					       feature_enabled_text[i]);
+		}
+		break;
+	case FEATURE_IMU_BYPASS:
+	case FEATURE_RGB_ENABLE:
+	case FEATURE_TOUCHPAD_ENABLE:
+		for (i = 0; i < ARRAY_SIZE(feature_enabled_text); i++) {
+			count += sysfs_emit_at(buf, count, "%s ",
+					       feature_enabled_text[i]);
+		}
+		break;
+	case FEATURE_OS_MODE:
+		for (i = 0; i < ARRAY_SIZE(os_type_text); i++) {
+			count += sysfs_emit_at(buf, count, "%s ",
+					       os_type_text[i]);
+		}
+		break;
+	case FEATURE_POLL_RATE:
+		for (i = 0; i < ARRAY_SIZE(poll_rate_text); i++) {
+			count += sysfs_emit_at(buf, count, "%s ",
+					       poll_rate_text[i]);
+		}
+		break;
+	case FEATURE_DPAD_MODE:
+		for (i = 0; i < ARRAY_SIZE(dpad_mode_text); i++) {
+			count += sysfs_emit_at(buf, count, "%s ",
+					       dpad_mode_text[i]);
+		}
+		break;
+	case FEATURE_MOUSE_WHEEL_STEP:
+		return sysfs_emit(buf, "1-127\n");
+	default:
+		return count;
+	}
+
+	if (count)
+		buf[count - 1] = '\n';
+
+	return count;
+}
+
+static ssize_t touchpad_property_store(struct device *dev,
+				       struct device_attribute *attr,
+				       const char *buf, size_t count,
+				       enum touchpad_config_index index)
+{
+	size_t size = 1;
+	u8 val = 0;
+	int ret;
+
+	switch (index) {
+	case CFG_WINDOWS_MODE:
+		ret = sysfs_match_string(touchpad_mode_text, buf);
+		if (ret < 0)
+			return ret;
+		val = ret;
+		break;
+	case CFG_LINUX_MODE:
+		ret = sysfs_match_string(touchpad_mode_text, buf);
+		if (ret < 0)
+			return ret;
+		val = ret;
+		break;
+	default:
+		return -EINVAL;
+	}
+	if (!val)
+		size = 0;
+
+	ret = mcu_property_out(drvdata.hdev, SET_TP_PARAM, index, &val, size);
+	if (ret < 0)
+		return ret;
+
+	return count;
+}
+
+static ssize_t touchpad_property_show(struct device *dev,
+				      struct device_attribute *attr, char *buf,
+				      enum touchpad_config_index index)
+{
+	int ret = 0;
+	u8 i;
+
+	ret = mcu_property_out(drvdata.hdev, GET_TP_PARAM, index, NULL, 0);
+	if (ret < 0)
+		return ret;
+
+	switch (index) {
+	case CFG_WINDOWS_MODE:
+		i = drvdata.tp_windows_mode;
+		break;
+	case CFG_LINUX_MODE:
+		i = drvdata.tp_linux_mode;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	if (i >= ARRAY_SIZE(touchpad_mode_text))
+		return -EINVAL;
+
+	return sysfs_emit(buf, "%s\n", touchpad_mode_text[i]);
+}
+
+static ssize_t touchpad_property_options(struct device *dev,
+					 struct device_attribute *attr,
+					 char *buf,
+					 enum touchpad_config_index index)
+{
+	size_t count = 0;
+	unsigned int i;
+
+	switch (index) {
+	case CFG_WINDOWS_MODE:
+	case CFG_LINUX_MODE:
+		for (i = 0; i < ARRAY_SIZE(touchpad_mode_text); i++) {
+			count += sysfs_emit_at(buf, count, "%s ",
+					       touchpad_mode_text[i]);
+		}
+		break;
+	default:
+		return count;
+	}
+
+	if (count)
+		buf[count - 1] = '\n';
+
+	return count;
+}
+
+static ssize_t test_property_show(struct device *dev,
+				  struct device_attribute *attr, char *buf,
+				  enum test_command_index index)
+{
+	size_t count = 0;
+	u8 i;
+
+	switch (index) {
+	case TEST_TP_MFR:
+		i = drvdata.tp_manufacturer;
+		if (i >= ARRAY_SIZE(touchpad_manufacturer_text))
+			return -EINVAL;
+		count = sysfs_emit(buf, "%s\n", touchpad_manufacturer_text[i]);
+		break;
+	case TEST_IMU_MFR:
+		i = drvdata.imu_manufacturer;
+		if (i >= ARRAY_SIZE(imu_manufacturer_text))
+			return -EINVAL;
+		count = sysfs_emit(buf, "%s\n", imu_manufacturer_text[i]);
+		break;
+	case TEST_TP_VER:
+		count = sysfs_emit(buf, "%u\n", drvdata.tp_version);
+		break;
+	default:
+		count = -EINVAL;
+		break;
+	}
+
+	return count;
+}
+
+static ssize_t mcu_id_show(struct device *dev, struct device_attribute *attr,
+			   char *buf)
+{
+	return sysfs_emit(buf, "%*phN\n", 12, &drvdata.mcu_id);
+}
+
+static int rgb_cfg_call(struct hid_device *hdev, enum mcu_command_index cmd,
+			enum rgb_config_index index, u8 *val, size_t size)
+{
+	if (cmd != SET_RGB_CFG && cmd != GET_RGB_CFG)
+		return -EINVAL;
+
+	if (index < LIGHT_MODE_SEL || index > USR_LIGHT_PROFILE_3)
+		return -EINVAL;
+
+	return mcu_property_out(hdev, cmd, index, val, size);
+}
+
+static int rgb_attr_show(void)
+{
+	enum rgb_config_index index;
+
+	index = drvdata.rgb_profile + 2;
+
+	return rgb_cfg_call(drvdata.hdev, GET_RGB_CFG, index, NULL, 0);
+};
+
+static ssize_t rgb_effect_store(struct device *dev,
+				struct device_attribute *attr, const char *buf,
+				size_t count)
+{
+	struct led_classdev_mc *mc_cdev = lcdev_to_mccdev(drvdata.led_cdev);
+	enum rgb_config_index index;
+	u8 effect;
+	int ret;
+
+	ret = sysfs_match_string(rgb_effect_text, buf);
+	if (ret < 0)
+		return ret;
+
+	effect = ret;
+	index = drvdata.rgb_profile + 2;
+	u8 rgb_profile[6] = { effect,
+			      mc_cdev->subled_info[0].intensity,
+			      mc_cdev->subled_info[1].intensity,
+			      mc_cdev->subled_info[2].intensity,
+			      drvdata.led_cdev->brightness,
+			      drvdata.rgb_speed };
+
+	ret = rgb_cfg_call(drvdata.hdev, SET_RGB_CFG, index, rgb_profile, 6);
+	if (ret)
+		return ret;
+
+	drvdata.rgb_effect = effect;
+	return count;
+};
+
+static ssize_t rgb_effect_show(struct device *dev,
+			       struct device_attribute *attr, char *buf)
+{
+	int ret;
+
+	ret = rgb_attr_show();
+	if (ret)
+		return ret;
+
+	if (drvdata.rgb_effect >= ARRAY_SIZE(rgb_effect_text))
+		return -EINVAL;
+
+	return sysfs_emit(buf, "%s\n", rgb_effect_text[drvdata.rgb_effect]);
+}
+
+static ssize_t rgb_effect_index_show(struct device *dev,
+				     struct device_attribute *attr, char *buf)
+{
+	ssize_t count = 0;
+	unsigned int i;
+
+	for (i = 0; i < ARRAY_SIZE(rgb_effect_text); i++)
+		count += sysfs_emit_at(buf, count, "%s ", rgb_effect_text[i]);
+
+	if (count)
+		buf[count - 1] = '\n';
+
+	return count;
+}
+
+static ssize_t rgb_speed_store(struct device *dev,
+			       struct device_attribute *attr, const char *buf,
+			       size_t count)
+{
+	struct led_classdev_mc *mc_cdev = lcdev_to_mccdev(drvdata.led_cdev);
+	enum rgb_config_index index;
+	int val = 0;
+	int ret;
+
+	ret = kstrtoint(buf, 10, &val);
+	if (ret)
+		return ret;
+
+	if (val < 0 || val > 100)
+		return -EINVAL;
+
+	index = drvdata.rgb_profile + 2;
+	u8 rgb_profile[6] = { drvdata.rgb_effect,
+			      mc_cdev->subled_info[0].intensity,
+			      mc_cdev->subled_info[1].intensity,
+			      mc_cdev->subled_info[2].intensity,
+			      drvdata.led_cdev->brightness,
+			      val };
+
+	ret = rgb_cfg_call(drvdata.hdev, SET_RGB_CFG, index, rgb_profile, 6);
+	if (ret)
+		return ret;
+
+	drvdata.rgb_speed = val;
+
+	return count;
+};
+
+static ssize_t rgb_speed_show(struct device *dev, struct device_attribute *attr,
+			      char *buf)
+{
+	int ret;
+
+	ret = rgb_attr_show();
+	if (ret)
+		return ret;
+
+	if (drvdata.rgb_speed > 100)
+		return -EINVAL;
+
+	return sysfs_emit(buf, "%hhu\n", drvdata.rgb_speed);
+}
+
+static ssize_t rgb_speed_range_show(struct device *dev,
+				    struct device_attribute *attr, char *buf)
+{
+	return sysfs_emit(buf, "0-100\n");
+}
+
+static ssize_t rgb_mode_store(struct device *dev, struct device_attribute *attr,
+			      const char *buf, size_t count)
+{
+	int ret;
+	u8 val;
+
+	ret = sysfs_match_string(rgb_mode_text, buf);
+	if (ret <= 0)
+		return ret;
+
+	val = ret;
+
+	ret = rgb_cfg_call(drvdata.hdev, SET_RGB_CFG, LIGHT_MODE_SEL, &val,
+			   1);
+	if (ret)
+		return ret;
+
+	drvdata.rgb_mode = val;
+
+	return count;
+};
+
+static ssize_t rgb_mode_show(struct device *dev, struct device_attribute *attr,
+			     char *buf)
+{
+	int ret;
+
+	ret = rgb_cfg_call(drvdata.hdev, GET_RGB_CFG, LIGHT_MODE_SEL, NULL, 0);
+	if (ret)
+		return ret;
+
+	if (drvdata.rgb_mode >= ARRAY_SIZE(rgb_mode_text))
+		return -EINVAL;
+
+	return sysfs_emit(buf, "%s\n", rgb_mode_text[drvdata.rgb_mode]);
+};
+
+static ssize_t rgb_mode_index_show(struct device *dev,
+				   struct device_attribute *attr, char *buf)
+{
+	ssize_t count = 0;
+	unsigned int i;
+
+	for (i = 1; i < ARRAY_SIZE(rgb_mode_text); i++)
+		count += sysfs_emit_at(buf, count, "%s ", rgb_mode_text[i]);
+
+	if (count)
+		buf[count - 1] = '\n';
+
+	return count;
+}
+
+static ssize_t rgb_profile_store(struct device *dev,
+				 struct device_attribute *attr, const char *buf,
+				 size_t count)
+{
+	size_t size = 1;
+	int ret;
+	u8 val;
+
+	ret = kstrtou8(buf, 10, &val);
+	if (ret < 0)
+		return ret;
+
+	if (val < 1 || val > 3)
+		return -EINVAL;
+
+	ret = rgb_cfg_call(drvdata.hdev, SET_RGB_CFG, LIGHT_PROFILE_SEL, &val, size);
+	if (ret)
+		return ret;
+
+	drvdata.rgb_profile = val;
+
+	return count;
+};
+
+static ssize_t rgb_profile_show(struct device *dev,
+				struct device_attribute *attr, char *buf)
+{
+	int ret;
+
+	ret = rgb_cfg_call(drvdata.hdev, GET_RGB_CFG, LIGHT_PROFILE_SEL, NULL, 0);
+	if (ret)
+		return ret;
+
+	if (drvdata.rgb_profile < 1 || drvdata.rgb_profile > 3)
+		return -EINVAL;
+
+	return sysfs_emit(buf, "%hhu\n", drvdata.rgb_profile);
+};
+
+static ssize_t rgb_profile_range_show(struct device *dev,
+				      struct device_attribute *attr, char *buf)
+{
+	return sysfs_emit(buf, "1-3\n");
+}
+
+static void hid_gos_brightness_set(struct led_classdev *led_cdev,
+				   enum led_brightness brightness)
+{
+	struct led_classdev_mc *mc_cdev = lcdev_to_mccdev(drvdata.led_cdev);
+	enum rgb_config_index index;
+	int ret;
+
+	if (brightness > led_cdev->max_brightness) {
+		dev_err(led_cdev->dev, "Invalid argument\n");
+		return;
+	}
+
+	index = drvdata.rgb_profile + 2;
+	u8 rgb_profile[6] = { drvdata.rgb_effect,
+			      mc_cdev->subled_info[0].intensity,
+			      mc_cdev->subled_info[1].intensity,
+			      mc_cdev->subled_info[2].intensity,
+			      brightness,
+			      drvdata.rgb_speed };
+
+	ret = rgb_cfg_call(drvdata.hdev, SET_RGB_CFG, index, rgb_profile, 6);
+	switch (ret) {
+	case 0:
+		led_cdev->brightness = brightness;
+		break;
+	case -ENODEV: /* during switch to IAP -ENODEV is expected */
+	case -ENOSYS: /* during rmmod -ENOSYS is expected */
+		dev_dbg(led_cdev->dev, "Failed to write RGB profile: %i\n",
+			ret);
+		break;
+	default:
+		dev_err(led_cdev->dev, "Failed to write RGB profile: %i\n",
+			ret);
+	}
+}
+
+#define LEGOS_DEVICE_ATTR_RW(_name, _attrname, _rtype, _group)                 \
+	static ssize_t _name##_store(struct device *dev,                       \
+				     struct device_attribute *attr,            \
+				     const char *buf, size_t count)            \
+	{                                                                      \
+		return _group##_property_store(dev, attr, buf, count,          \
+					       _name.index);                   \
+	}                                                                      \
+	static ssize_t _name##_show(struct device *dev,                        \
+				    struct device_attribute *attr, char *buf)  \
+	{                                                                      \
+		return _group##_property_show(dev, attr, buf, _name.index);    \
+	}                                                                      \
+	static ssize_t _name##_##_rtype##_show(                                \
+		struct device *dev, struct device_attribute *attr, char *buf)  \
+	{                                                                      \
+		return _group##_property_options(dev, attr, buf, _name.index); \
+	}                                                                      \
+	static DEVICE_ATTR_RW_NAMED(_name, _attrname)
+
+#define LEGOS_DEVICE_ATTR_RO(_name, _attrname, _group)                        \
+	static ssize_t _name##_show(struct device *dev,                       \
+				    struct device_attribute *attr, char *buf) \
+	{                                                                     \
+		return _group##_property_show(dev, attr, buf, _name.index);   \
+	}                                                                     \
+	static DEVICE_ATTR_RO_NAMED(_name, _attrname)
+
+/* Gamepad */
+static struct gos_cfg_attr auto_sleep_time = { FEATURE_AUTO_SLEEP_TIME };
+LEGOS_DEVICE_ATTR_RW(auto_sleep_time, "auto_sleep_time", range, gamepad);
+static DEVICE_ATTR_RO(auto_sleep_time_range);
+
+static struct gos_cfg_attr dpad_mode = { FEATURE_DPAD_MODE };
+LEGOS_DEVICE_ATTR_RW(dpad_mode, "dpad_mode", index, gamepad);
+static DEVICE_ATTR_RO(dpad_mode_index);
+
+static struct gos_cfg_attr gamepad_mode = { FEATURE_GAMEPAD_MODE };
+LEGOS_DEVICE_ATTR_RW(gamepad_mode, "mode", index, gamepad);
+static DEVICE_ATTR_RO_NAMED(gamepad_mode_index, "mode_index");
+
+static struct gos_cfg_attr gamepad_poll_rate = { FEATURE_POLL_RATE };
+LEGOS_DEVICE_ATTR_RW(gamepad_poll_rate, "poll_rate", index, gamepad);
+static DEVICE_ATTR_RO_NAMED(gamepad_poll_rate_index, "poll_rate_index");
+
+static struct attribute *legos_gamepad_attrs[] = {
+	&dev_attr_auto_sleep_time.attr,
+	&dev_attr_auto_sleep_time_range.attr,
+	&dev_attr_dpad_mode.attr,
+	&dev_attr_dpad_mode_index.attr,
+	&dev_attr_gamepad_mode.attr,
+	&dev_attr_gamepad_mode_index.attr,
+	&dev_attr_gamepad_poll_rate.attr,
+	&dev_attr_gamepad_poll_rate_index.attr,
+	NULL,
+};
+
+static const struct attribute_group gamepad_attr_group = {
+	.name = "gamepad",
+	.attrs = legos_gamepad_attrs,
+};
+
+/* IMU */
+static struct gos_cfg_attr imu_bypass_enabled = { FEATURE_IMU_BYPASS };
+LEGOS_DEVICE_ATTR_RW(imu_bypass_enabled, "bypass_enabled", index, gamepad);
+static DEVICE_ATTR_RO_NAMED(imu_bypass_enabled_index, "bypass_enabled_index");
+
+static struct gos_cfg_attr imu_manufacturer = { TEST_IMU_MFR };
+LEGOS_DEVICE_ATTR_RO(imu_manufacturer, "manufacturer", test);
+
+static struct gos_cfg_attr imu_sensor_enabled = { FEATURE_IMU_ENABLE };
+LEGOS_DEVICE_ATTR_RW(imu_sensor_enabled, "sensor_enabled", index, gamepad);
+static DEVICE_ATTR_RO_NAMED(imu_sensor_enabled_index, "sensor_enabled_index");
+
+static struct attribute *legos_imu_attrs[] = {
+	&dev_attr_imu_bypass_enabled.attr,
+	&dev_attr_imu_bypass_enabled_index.attr,
+	&dev_attr_imu_manufacturer.attr,
+	&dev_attr_imu_sensor_enabled.attr,
+	&dev_attr_imu_sensor_enabled_index.attr,
+	NULL,
+};
+
+static const struct attribute_group imu_attr_group = {
+	.name = "imu",
+	.attrs = legos_imu_attrs,
+};
+
+/* MCU */
+static DEVICE_ATTR_RO(mcu_id);
+
+static struct gos_cfg_attr os_mode = { FEATURE_OS_MODE };
+LEGOS_DEVICE_ATTR_RW(os_mode, "os_mode", index, gamepad);
+static DEVICE_ATTR_RO(os_mode_index);
+
+static struct attribute *legos_mcu_attrs[] = {
+	&dev_attr_mcu_id.attr,
+	&dev_attr_os_mode.attr,
+	&dev_attr_os_mode_index.attr,
+	NULL,
+};
+
+static const struct attribute_group mcu_attr_group = {
+	.attrs = legos_mcu_attrs,
+};
+
+/* Mouse */
+static struct gos_cfg_attr mouse_wheel_step = { FEATURE_MOUSE_WHEEL_STEP };
+LEGOS_DEVICE_ATTR_RW(mouse_wheel_step, "step", range, gamepad);
+static DEVICE_ATTR_RO_NAMED(mouse_wheel_step_range, "step_range");
+
+static struct attribute *legos_mouse_attrs[] = {
+	&dev_attr_mouse_wheel_step.attr,
+	&dev_attr_mouse_wheel_step_range.attr,
+	NULL,
+};
+
+static const struct attribute_group mouse_attr_group = {
+	.name = "mouse",
+	.attrs = legos_mouse_attrs,
+};
+
+/* Touchpad */
+static struct gos_cfg_attr touchpad_enabled = { FEATURE_TOUCHPAD_ENABLE };
+LEGOS_DEVICE_ATTR_RW(touchpad_enabled, "enabled", index, gamepad);
+static DEVICE_ATTR_RO_NAMED(touchpad_enabled_index, "enabled_index");
+
+static struct gos_cfg_attr touchpad_linux_mode = { CFG_LINUX_MODE };
+LEGOS_DEVICE_ATTR_RW(touchpad_linux_mode, "linux_mode", index, touchpad);
+static DEVICE_ATTR_RO_NAMED(touchpad_linux_mode_index, "linux_mode_index");
+
+static struct gos_cfg_attr touchpad_manufacturer = { TEST_TP_MFR };
+LEGOS_DEVICE_ATTR_RO(touchpad_manufacturer, "manufacturer", test);
+
+static struct gos_cfg_attr touchpad_version = { TEST_TP_VER };
+LEGOS_DEVICE_ATTR_RO(touchpad_version, "version", test);
+
+static struct gos_cfg_attr touchpad_windows_mode = { CFG_WINDOWS_MODE };
+LEGOS_DEVICE_ATTR_RW(touchpad_windows_mode, "windows_mode", index, touchpad);
+static DEVICE_ATTR_RO_NAMED(touchpad_windows_mode_index, "windows_mode_index");
+
+static struct attribute *legos_touchpad_attrs[] = {
+	&dev_attr_touchpad_enabled.attr,
+	&dev_attr_touchpad_enabled_index.attr,
+	&dev_attr_touchpad_linux_mode.attr,
+	&dev_attr_touchpad_linux_mode_index.attr,
+	&dev_attr_touchpad_manufacturer.attr,
+	&dev_attr_touchpad_version.attr,
+	&dev_attr_touchpad_windows_mode.attr,
+	&dev_attr_touchpad_windows_mode_index.attr,
+	NULL,
+};
+
+static const struct attribute_group touchpad_attr_group = {
+	.name = "touchpad",
+	.attrs = legos_touchpad_attrs,
+};
+
+static const struct attribute_group *top_level_attr_groups[] = {
+	&gamepad_attr_group,
+	&imu_attr_group,
+	&mcu_attr_group,
+	&mouse_attr_group,
+	&touchpad_attr_group,
+	NULL,
+};
+
+/* RGB */
+static struct gos_cfg_attr rgb_enabled = { FEATURE_RGB_ENABLE };
+LEGOS_DEVICE_ATTR_RW(rgb_enabled, "enabled", index, gamepad);
+static DEVICE_ATTR_RO_NAMED(rgb_enabled_index, "enabled_index");
+
+static DEVICE_ATTR_RW_NAMED(rgb_effect, "effect");
+static DEVICE_ATTR_RO_NAMED(rgb_effect_index, "effect_index");
+static DEVICE_ATTR_RW_NAMED(rgb_mode, "mode");
+static DEVICE_ATTR_RO_NAMED(rgb_mode_index, "mode_index");
+static DEVICE_ATTR_RW_NAMED(rgb_profile, "profile");
+static DEVICE_ATTR_RO_NAMED(rgb_profile_range, "profile_range");
+static DEVICE_ATTR_RW_NAMED(rgb_speed, "speed");
+static DEVICE_ATTR_RO_NAMED(rgb_speed_range, "speed_range");
+
+static struct attribute *gos_rgb_attrs[] = {
+	&dev_attr_rgb_enabled.attr,
+	&dev_attr_rgb_enabled_index.attr,
+	&dev_attr_rgb_effect.attr,
+	&dev_attr_rgb_effect_index.attr,
+	&dev_attr_rgb_mode.attr,
+	&dev_attr_rgb_mode_index.attr,
+	&dev_attr_rgb_profile.attr,
+	&dev_attr_rgb_profile_range.attr,
+	&dev_attr_rgb_speed.attr,
+	&dev_attr_rgb_speed_range.attr,
+	NULL,
+};
+
+static struct attribute_group rgb_attr_group = {
+	.attrs = gos_rgb_attrs,
+};
+
+static struct mc_subled gos_rgb_subled_info[] = {
+	{
+		.color_index = LED_COLOR_ID_RED,
+		.brightness = 0x50,
+		.intensity = 0x24,
+		.channel = 0x1,
+	},
+	{
+		.color_index = LED_COLOR_ID_GREEN,
+		.brightness = 0x50,
+		.intensity = 0x22,
+		.channel = 0x2,
+	},
+	{
+		.color_index = LED_COLOR_ID_BLUE,
+		.brightness = 0x50,
+		.intensity = 0x99,
+		.channel = 0x3,
+	},
+};
+
+static struct led_classdev_mc gos_cdev_rgb = {
+	.led_cdev = {
+		.name = "go_s:rgb:joystick_rings",
+		.brightness = 0x50,
+		.max_brightness = 0x64,
+		.brightness_set = hid_gos_brightness_set,
+	},
+	.num_colors = ARRAY_SIZE(gos_rgb_subled_info),
+	.subled_info = gos_rgb_subled_info,
+};
+
+static void cfg_setup(struct work_struct *work)
+{
+	int ret;
+
+	/* MCU */
+	ret = mcu_property_out(drvdata.hdev, GET_MCU_ID, FEATURE_NONE, NULL, 0);
+	if (ret) {
+		dev_err(&drvdata.hdev->dev, "Failed to retrieve MCU ID: %i\n",
+			ret);
+		return;
+	}
+
+	ret = mcu_property_out(drvdata.hdev, GET_VERSION, FEATURE_NONE, NULL, 0);
+	if (ret) {
+		dev_err(&drvdata.hdev->dev, "Failed to retrieve MCU Version: %i\n", ret);
+		return;
+	}
+
+	ret = mcu_property_out(drvdata.hdev, GET_PL_TEST, TEST_TP_MFR, NULL, 0);
+	if (ret) {
+		dev_err(&drvdata.hdev->dev,
+			"Failed to retrieve Touchpad Manufacturer: %i\n", ret);
+		return;
+	}
+
+	ret = mcu_property_out(drvdata.hdev, GET_PL_TEST, TEST_TP_VER, NULL, 0);
+	if (ret) {
+		dev_err(&drvdata.hdev->dev,
+			"Failed to retrieve Touchpad Firmware Version: %i\n", ret);
+		return;
+	}
+
+	ret = mcu_property_out(drvdata.hdev, GET_PL_TEST, TEST_IMU_MFR, NULL, 0);
+	if (ret) {
+		dev_err(&drvdata.hdev->dev,
+			"Failed to retrieve IMU Manufacturer: %i\n", ret);
+		return;
+	}
+}
+
+static int hid_gos_cfg_probe(struct hid_device *hdev,
+			     const struct hid_device_id *_id)
+{
+	int ret;
+
+	hid_set_drvdata(hdev, &drvdata);
+	drvdata.hdev = hdev;
+	mutex_init(&drvdata.cfg_mutex);
+
+	ret = sysfs_create_groups(&hdev->dev.kobj, top_level_attr_groups);
+	if (ret) {
+		dev_err_probe(&hdev->dev, ret,
+			      "Failed to create gamepad configuration attributes\n");
+		return ret;
+	}
+
+	ret = devm_led_classdev_multicolor_register(&hdev->dev, &gos_cdev_rgb);
+	if (ret) {
+		dev_err_probe(&hdev->dev, ret, "Failed to create RGB device\n");
+		return ret;
+	}
+
+	ret = devm_device_add_group(gos_cdev_rgb.led_cdev.dev, &rgb_attr_group);
+	if (ret) {
+		dev_err_probe(&hdev->dev, ret,
+			      "Failed to create RGB configuration attributes\n");
+		return ret;
+	}
+
+	drvdata.led_cdev = &gos_cdev_rgb.led_cdev;
+
+	init_completion(&drvdata.send_cmd_complete);
+
+	/* Executing calls prior to returning from probe will lock the MCU. Schedule
+	 * initial data call after probe has completed and MCU can accept calls.
+	 */
+	INIT_DELAYED_WORK(&drvdata.gos_cfg_setup, &cfg_setup);
+	ret = schedule_delayed_work(&drvdata.gos_cfg_setup, msecs_to_jiffies(2));
+	if (!ret) {
+		dev_err(&hdev->dev, "Failed to schedule startup delayed work\n");
+		return -ENODEV;
+	}
+
+	return 0;
+}
+
+static void hid_gos_cfg_remove(struct hid_device *hdev)
+{
+	guard(mutex)(&drvdata.cfg_mutex);
+	cancel_delayed_work_sync(&drvdata.gos_cfg_setup);
+	sysfs_remove_groups(&hdev->dev.kobj, top_level_attr_groups);
+	hid_hw_close(hdev);
+	hid_hw_stop(hdev);
+	hid_set_drvdata(hdev, NULL);
+}
+
+static int hid_gos_probe(struct hid_device *hdev,
+			 const struct hid_device_id *id)
+{
+	int ret, ep;
+
+	ret = hid_parse(hdev);
+	if (ret) {
+		hid_err(hdev, "Parse failed\n");
+		return ret;
+	}
+
+	ret = hid_hw_start(hdev, HID_CONNECT_HIDRAW);
+	if (ret) {
+		hid_err(hdev, "Failed to start HID device\n");
+		return ret;
+	}
+
+	ret = hid_hw_open(hdev);
+	if (ret) {
+		hid_err(hdev, "Failed to open HID device\n");
+		hid_hw_stop(hdev);
+		return ret;
+	}
+
+	ep = get_endpoint_address(hdev);
+	if (ep != GO_S_CFG_INTF_IN) {
+		dev_dbg(&hdev->dev, "Started interface %x as generic HID device.\n", ep);
+		return 0;
+	}
+
+	ret = hid_gos_cfg_probe(hdev, id);
+	if (ret)
+		dev_err_probe(&hdev->dev, ret, "Failed to start configuration interface");
+
+	dev_dbg(&hdev->dev, "Started interface %x as Go S configuration interface\n", ep);
+	return ret;
+}
+
+static void hid_gos_remove(struct hid_device *hdev)
+{
+	int ep = get_endpoint_address(hdev);
+
+	switch (ep) {
+	case GO_S_CFG_INTF_IN:
+		hid_gos_cfg_remove(hdev);
+		break;
+	default:
+		hid_hw_close(hdev);
+		hid_hw_stop(hdev);
+
+		break;
+	}
+}
+
+static const struct hid_device_id hid_gos_devices[] = {
+	{ HID_USB_DEVICE(USB_VENDOR_ID_QHE,
+			 USB_DEVICE_ID_LENOVO_LEGION_GO_S_XINPUT) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_QHE,
+			 USB_DEVICE_ID_LENOVO_LEGION_GO_S_DINPUT) },
+	{}
+};
+
+MODULE_DEVICE_TABLE(hid, hid_gos_devices);
+static struct hid_driver hid_lenovo_go_s = {
+	.name = "hid-lenovo-go-s",
+	.id_table = hid_gos_devices,
+	.probe = hid_gos_probe,
+	.remove = hid_gos_remove,
+	.raw_event = hid_gos_raw_event,
+};
+module_hid_driver(hid_lenovo_go_s);
+
+MODULE_AUTHOR("Derek J. Clark");
+MODULE_DESCRIPTION("HID Driver for Lenovo Legion Go S Series gamepad.");
+MODULE_LICENSE("GPL");
diff --git a/drivers/hid/hid-lenovo-go.c b/drivers/hid/hid-lenovo-go.c
new file mode 100644
index 000000000000..d4d26c783356
--- /dev/null
+++ b/drivers/hid/hid-lenovo-go.c
@@ -0,0 +1,2500 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ *  HID driver for Lenovo Legion Go series gamepads.
+ *
+ *  Copyright (c) 2026 Derek J. Clark <derekjohn.clark@gmail.com>
+ *  Copyright (c) 2026 Valve Corporation
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/array_size.h>
+#include <linux/cleanup.h>
+#include <linux/completion.h>
+#include <linux/delay.h>
+#include <linux/dev_printk.h>
+#include <linux/device.h>
+#include <linux/device/devres.h>
+#include <linux/hid.h>
+#include <linux/jiffies.h>
+#include <linux/kstrtox.h>
+#include <linux/led-class-multicolor.h>
+#include <linux/mutex.h>
+#include <linux/printk.h>
+#include <linux/sysfs.h>
+#include <linux/types.h>
+#include <linux/unaligned.h>
+#include <linux/usb.h>
+#include <linux/workqueue.h>
+#include <linux/workqueue_types.h>
+
+#include "hid-ids.h"
+
+#define GO_GP_INTF_IN		0x83
+#define GO_OUTPUT_REPORT_ID	0x05
+#define GO_GP_RESET_SUCCESS	0x01
+#define GO_PACKET_SIZE		64
+
+static struct hid_go_cfg {
+	struct delayed_work go_cfg_setup;
+	struct completion send_cmd_complete;
+	struct led_classdev *led_cdev;
+	struct hid_device *hdev;
+	struct mutex cfg_mutex; /*ensure single synchronous output report*/
+	u8 fps_mode;
+	u8 gp_left_auto_sleep_time;
+	u8 gp_left_gyro_cal_status;
+	u8 gp_left_joy_cal_status;
+	u8 gp_left_notify_en;
+	u8 gp_left_rumble_mode;
+	u8 gp_left_trigg_cal_status;
+	u32 gp_left_version_firmware;
+	u8 gp_left_version_gen;
+	u32 gp_left_version_hardware;
+	u32 gp_left_version_product;
+	u32 gp_left_version_protocol;
+	u8 gp_mode;
+	u8 gp_right_auto_sleep_time;
+	u8 gp_right_gyro_cal_status;
+	u8 gp_right_joy_cal_status;
+	u8 gp_right_notify_en;
+	u8 gp_right_rumble_mode;
+	u8 gp_right_trigg_cal_status;
+	u32 gp_right_version_firmware;
+	u8 gp_right_version_gen;
+	u32 gp_right_version_hardware;
+	u32 gp_right_version_product;
+	u32 gp_right_version_protocol;
+	u8 gp_rumble_intensity;
+	u8 imu_left_bypass_en;
+	u8 imu_left_sensor_en;
+	u8 imu_right_bypass_en;
+	u8 imu_right_sensor_en;
+	u32 mcu_version_firmware;
+	u8 mcu_version_gen;
+	u32 mcu_version_hardware;
+	u32 mcu_version_product;
+	u32 mcu_version_protocol;
+	u32 mouse_dpi;
+	u8 os_mode;
+	u8 rgb_effect;
+	u8 rgb_en;
+	u8 rgb_mode;
+	u8 rgb_profile;
+	u8 rgb_speed;
+	u8 tp_en;
+	u8 tp_vibration_en;
+	u8 tp_vibration_intensity;
+	u32 tx_dongle_version_firmware;
+	u8 tx_dongle_version_gen;
+	u32 tx_dongle_version_hardware;
+	u32 tx_dongle_version_product;
+	u32 tx_dongle_version_protocol;
+} drvdata;
+
+struct go_cfg_attr {
+	u8 index;
+};
+
+struct command_report {
+	u8 report_id;
+	u8 id;
+	u8 cmd;
+	u8 sub_cmd;
+	u8 device_type;
+	u8 data[59];
+} __packed;
+
+enum command_id {
+	MCU_CONFIG_DATA = 0x00,
+	OS_MODE_DATA = 0x06,
+	GAMEPAD_DATA = 0x3c,
+};
+
+enum mcu_command_index {
+	GET_VERSION_DATA = 0x02,
+	GET_FEATURE_STATUS,
+	SET_FEATURE_STATUS,
+	GET_MOTOR_CFG,
+	SET_MOTOR_CFG,
+	GET_DPI_CFG,
+	SET_DPI_CFG,
+	SET_TRIGGER_CFG = 0x0a,
+	SET_JOYSTICK_CFG = 0x0c,
+	SET_GYRO_CFG = 0x0e,
+	GET_RGB_CFG,
+	SET_RGB_CFG,
+	GET_DEVICE_STATUS = 0xa0,
+
+};
+
+enum dev_type {
+	UNSPECIFIED,
+	USB_MCU,
+	TX_DONGLE,
+	LEFT_CONTROLLER,
+	RIGHT_CONTROLLER,
+};
+
+enum enabled_status_index {
+	FEATURE_UNKNOWN,
+	FEATURE_ENABLED,
+	FEATURE_DISABLED,
+};
+
+static const char *const enabled_status_text[] = {
+	[FEATURE_UNKNOWN] = "unknown",
+	[FEATURE_ENABLED] = "true",
+	[FEATURE_DISABLED] = "false",
+};
+
+enum version_data_index {
+	PRODUCT_VERSION = 0x02,
+	PROTOCOL_VERSION,
+	FIRMWARE_VERSION,
+	HARDWARE_VERSION,
+	HARDWARE_GENERATION,
+};
+
+enum feature_status_index {
+	FEATURE_RESET_GAMEPAD = 0x02,
+	FEATURE_IMU_BYPASS,
+	FEATURE_IMU_ENABLE = 0x05,
+	FEATURE_TOUCHPAD_ENABLE = 0x07,
+	FEATURE_LIGHT_ENABLE,
+	FEATURE_AUTO_SLEEP_TIME,
+	FEATURE_FPS_SWITCH_STATUS = 0x0b,
+	FEATURE_GAMEPAD_MODE = 0x0e,
+};
+
+#define FEATURE_OS_MODE 0x69
+
+enum fps_switch_status_index {
+	FPS_STATUS_UNKNOWN,
+	GAMEPAD,
+	FPS,
+};
+
+static const char *const fps_switch_text[] = {
+	[FPS_STATUS_UNKNOWN] = "unknown",
+	[GAMEPAD] = "gamepad",
+	[FPS] = "fps",
+};
+
+enum gamepad_mode_index {
+	GAMEPAD_MODE_UNKNOWN,
+	XINPUT,
+	DINPUT,
+};
+
+static const char *const gamepad_mode_text[] = {
+	[GAMEPAD_MODE_UNKNOWN] = "unknown",
+	[XINPUT] = "xinput",
+	[DINPUT] = "dinput",
+};
+
+enum motor_cfg_index {
+	MOTOR_CFG_ALL = 0x01,
+	MOTOR_INTENSITY,
+	VIBRATION_NOTIFY_ENABLE,
+	RUMBLE_MODE,
+	TP_VIBRATION_ENABLE,
+	TP_VIBRATION_INTENSITY,
+};
+
+enum intensity_index {
+	INTENSITY_UNKNOWN,
+	INTENSITY_OFF,
+	INTENSITY_LOW,
+	INTENSITY_MEDIUM,
+	INTENSITY_HIGH,
+};
+
+static const char *const intensity_text[] = {
+	[INTENSITY_UNKNOWN] = "unknown",
+	[INTENSITY_OFF] = "off",
+	[INTENSITY_LOW] = "low",
+	[INTENSITY_MEDIUM] = "medium",
+	[INTENSITY_HIGH] = "high",
+};
+
+enum rumble_mode_index {
+	RUMBLE_MODE_UNKNOWN,
+	RUMBLE_MODE_FPS,
+	RUMBLE_MODE_RACE,
+	RUMBLE_MODE_AVERAGE,
+	RUMBLE_MODE_SPG,
+	RUMBLE_MODE_RPG,
+};
+
+static const char *const rumble_mode_text[] = {
+	[RUMBLE_MODE_UNKNOWN] = "unknown",
+	[RUMBLE_MODE_FPS] = "fps",
+	[RUMBLE_MODE_RACE] = "racing",
+	[RUMBLE_MODE_AVERAGE] = "standard",
+	[RUMBLE_MODE_SPG] = "spg",
+	[RUMBLE_MODE_RPG] = "rpg",
+};
+
+#define FPS_MODE_DPI		0x02
+#define TRIGGER_CALIBRATE	0x04
+#define JOYSTICK_CALIBRATE	0x04
+#define GYRO_CALIBRATE		0x06
+
+enum cal_device_type {
+	CALDEV_GYROSCOPE = 0x01,
+	CALDEV_JOYSTICK,
+	CALDEV_TRIGGER,
+	CALDEV_JOY_TRIGGER,
+};
+
+enum cal_enable {
+	CAL_UNKNOWN,
+	CAL_START,
+	CAL_STOP,
+};
+
+static const char *const cal_enabled_text[] = {
+	[CAL_UNKNOWN] = "unknown",
+	[CAL_START] = "start",
+	[CAL_STOP] = "stop",
+};
+
+enum cal_status_index {
+	CAL_STAT_UNKNOWN,
+	CAL_STAT_SUCCESS,
+	CAL_STAT_FAILURE,
+};
+
+static const char *const cal_status_text[] = {
+	[CAL_STAT_UNKNOWN] = "unknown",
+	[CAL_STAT_SUCCESS] = "success",
+	[CAL_STAT_FAILURE] = "failure",
+};
+
+enum rgb_config_index {
+	LIGHT_CFG_ALL = 0x01,
+	LIGHT_MODE_SEL,
+	LIGHT_PROFILE_SEL,
+	USR_LIGHT_PROFILE_1,
+	USR_LIGHT_PROFILE_2,
+	USR_LIGHT_PROFILE_3,
+};
+
+enum rgb_mode_index {
+	RGB_MODE_UNKNOWN,
+	RGB_MODE_DYNAMIC,
+	RGB_MODE_CUSTOM,
+};
+
+static const char *const rgb_mode_text[] = {
+	[RGB_MODE_UNKNOWN] = "unknown",
+	[RGB_MODE_DYNAMIC] = "dynamic",
+	[RGB_MODE_CUSTOM] = "custom",
+};
+
+enum rgb_effect_index {
+	RGB_EFFECT_MONO,
+	RGB_EFFECT_BREATHE,
+	RGB_EFFECT_CHROMA,
+	RGB_EFFECT_RAINBOW,
+};
+
+static const char *const rgb_effect_text[] = {
+	[RGB_EFFECT_MONO] = "monocolor",
+	[RGB_EFFECT_BREATHE] = "breathe",
+	[RGB_EFFECT_CHROMA] = "chroma",
+	[RGB_EFFECT_RAINBOW] = "rainbow",
+};
+
+enum device_status_index {
+	GET_CAL_STATUS = 0x02,
+	GET_UPGRADE_STATUS,
+	GET_MACRO_REC_STATUS,
+	GET_HOTKEY_TRIGG_STATUS,
+};
+
+enum os_mode_cfg_index {
+	SET_OS_MODE = 0x09,
+	GET_OS_MODE,
+};
+
+enum os_mode_type_index {
+	OS_UNKNOWN,
+	WINDOWS,
+	LINUX,
+};
+
+static const char *const os_mode_text[] = {
+	[OS_UNKNOWN] = "unknown",
+	[WINDOWS] = "windows",
+	[LINUX] = "linux",
+};
+
+static int hid_go_version_event(struct command_report *cmd_rep)
+{
+	switch (cmd_rep->sub_cmd) {
+	case PRODUCT_VERSION:
+		switch (cmd_rep->device_type) {
+		case USB_MCU:
+			drvdata.mcu_version_product =
+				get_unaligned_be32(cmd_rep->data);
+			return 0;
+		case TX_DONGLE:
+			drvdata.tx_dongle_version_product =
+				get_unaligned_be32(cmd_rep->data);
+			return 0;
+		case LEFT_CONTROLLER:
+			drvdata.gp_left_version_product =
+				get_unaligned_be32(cmd_rep->data);
+			return 0;
+		case RIGHT_CONTROLLER:
+			drvdata.gp_right_version_product =
+				get_unaligned_be32(cmd_rep->data);
+			return 0;
+		default:
+			return -EINVAL;
+		}
+	case PROTOCOL_VERSION:
+		switch (cmd_rep->device_type) {
+		case USB_MCU:
+			drvdata.mcu_version_protocol =
+				get_unaligned_be32(cmd_rep->data);
+			return 0;
+		case TX_DONGLE:
+			drvdata.tx_dongle_version_protocol =
+				get_unaligned_be32(cmd_rep->data);
+			return 0;
+		case LEFT_CONTROLLER:
+			drvdata.gp_left_version_protocol =
+				get_unaligned_be32(cmd_rep->data);
+			return 0;
+		case RIGHT_CONTROLLER:
+			drvdata.gp_right_version_protocol =
+				get_unaligned_be32(cmd_rep->data);
+			return 0;
+		default:
+			return -EINVAL;
+		}
+	case FIRMWARE_VERSION:
+		switch (cmd_rep->device_type) {
+		case USB_MCU:
+			drvdata.mcu_version_firmware =
+				get_unaligned_be32(cmd_rep->data);
+			return 0;
+		case TX_DONGLE:
+			drvdata.tx_dongle_version_firmware =
+				get_unaligned_be32(cmd_rep->data);
+			return 0;
+		case LEFT_CONTROLLER:
+			drvdata.gp_left_version_firmware =
+				get_unaligned_be32(cmd_rep->data);
+			return 0;
+		case RIGHT_CONTROLLER:
+			drvdata.gp_right_version_firmware =
+				get_unaligned_be32(cmd_rep->data);
+			return 0;
+		default:
+			return -EINVAL;
+		}
+	case HARDWARE_VERSION:
+		switch (cmd_rep->device_type) {
+		case USB_MCU:
+			drvdata.mcu_version_hardware =
+				get_unaligned_be32(cmd_rep->data);
+			return 0;
+		case TX_DONGLE:
+			drvdata.tx_dongle_version_hardware =
+				get_unaligned_be32(cmd_rep->data);
+			return 0;
+		case LEFT_CONTROLLER:
+			drvdata.gp_left_version_hardware =
+				get_unaligned_be32(cmd_rep->data);
+			return 0;
+		case RIGHT_CONTROLLER:
+			drvdata.gp_right_version_hardware =
+				get_unaligned_be32(cmd_rep->data);
+			return 0;
+		default:
+			return -EINVAL;
+		}
+	case HARDWARE_GENERATION:
+		switch (cmd_rep->device_type) {
+		case USB_MCU:
+			drvdata.mcu_version_gen = cmd_rep->data[0];
+			return 0;
+		case TX_DONGLE:
+			drvdata.tx_dongle_version_gen = cmd_rep->data[0];
+			return 0;
+		case LEFT_CONTROLLER:
+			drvdata.gp_left_version_gen = cmd_rep->data[0];
+			return 0;
+		case RIGHT_CONTROLLER:
+			drvdata.gp_right_version_gen = cmd_rep->data[0];
+			return 0;
+		default:
+			return -EINVAL;
+		}
+	default:
+		return -EINVAL;
+	}
+}
+
+static int hid_go_feature_status_event(struct command_report *cmd_rep)
+{
+	switch (cmd_rep->sub_cmd) {
+	case FEATURE_RESET_GAMEPAD:
+		return 0;
+	case FEATURE_IMU_ENABLE:
+		switch (cmd_rep->device_type) {
+		case LEFT_CONTROLLER:
+			drvdata.imu_left_sensor_en = cmd_rep->data[0];
+			return 0;
+		case RIGHT_CONTROLLER:
+			drvdata.imu_right_sensor_en = cmd_rep->data[0];
+			return 0;
+		default:
+			return -EINVAL;
+		}
+	case FEATURE_IMU_BYPASS:
+		switch (cmd_rep->device_type) {
+		case LEFT_CONTROLLER:
+			drvdata.imu_left_bypass_en = cmd_rep->data[0];
+			return 0;
+		case RIGHT_CONTROLLER:
+			drvdata.imu_right_bypass_en = cmd_rep->data[0];
+			return 0;
+		default:
+			return -EINVAL;
+		}
+		break;
+	case FEATURE_LIGHT_ENABLE:
+		drvdata.rgb_en = cmd_rep->data[0];
+		return 0;
+	case FEATURE_AUTO_SLEEP_TIME:
+		switch (cmd_rep->device_type) {
+		case LEFT_CONTROLLER:
+			drvdata.gp_left_auto_sleep_time = cmd_rep->data[0];
+			return 0;
+		case RIGHT_CONTROLLER:
+			drvdata.gp_right_auto_sleep_time = cmd_rep->data[0];
+			return 0;
+		default:
+			return -EINVAL;
+		}
+		break;
+	case FEATURE_TOUCHPAD_ENABLE:
+		drvdata.tp_en = cmd_rep->data[0];
+		return 0;
+	case FEATURE_GAMEPAD_MODE:
+		drvdata.gp_mode = cmd_rep->data[0];
+		return 0;
+	case FEATURE_FPS_SWITCH_STATUS:
+		drvdata.fps_mode = cmd_rep->data[0];
+		return 0;
+	default:
+		return -EINVAL;
+	}
+}
+
+static int hid_go_motor_event(struct command_report *cmd_rep)
+{
+	switch (cmd_rep->sub_cmd) {
+	case MOTOR_CFG_ALL:
+		return -EINVAL;
+	case MOTOR_INTENSITY:
+		drvdata.gp_rumble_intensity = cmd_rep->data[0];
+		return 0;
+	case VIBRATION_NOTIFY_ENABLE:
+		switch (cmd_rep->device_type) {
+		case LEFT_CONTROLLER:
+			drvdata.gp_left_notify_en = cmd_rep->data[0];
+			return 0;
+		case RIGHT_CONTROLLER:
+			drvdata.gp_right_notify_en = cmd_rep->data[0];
+			return 0;
+		default:
+			return -EINVAL;
+		}
+		break;
+	case RUMBLE_MODE:
+		switch (cmd_rep->device_type) {
+		case LEFT_CONTROLLER:
+			drvdata.gp_left_rumble_mode = cmd_rep->data[0];
+			return 0;
+		case RIGHT_CONTROLLER:
+			drvdata.gp_right_rumble_mode = cmd_rep->data[0];
+			return 0;
+		default:
+			return -EINVAL;
+		}
+	case TP_VIBRATION_ENABLE:
+		drvdata.tp_vibration_en = cmd_rep->data[0];
+		return 0;
+	case TP_VIBRATION_INTENSITY:
+		drvdata.tp_vibration_intensity = cmd_rep->data[0];
+		return 0;
+	}
+	return -EINVAL;
+}
+
+static int hid_go_fps_dpi_event(struct command_report *cmd_rep)
+{
+	if (cmd_rep->sub_cmd != FPS_MODE_DPI)
+		return -EINVAL;
+
+	drvdata.mouse_dpi = get_unaligned_le32(cmd_rep->data);
+
+	return 0;
+}
+
+static int hid_go_light_event(struct command_report *cmd_rep)
+{
+	struct led_classdev_mc *mc_cdev;
+
+	switch (cmd_rep->sub_cmd) {
+	case LIGHT_MODE_SEL:
+		drvdata.rgb_mode = cmd_rep->data[0];
+		return 0;
+	case LIGHT_PROFILE_SEL:
+		drvdata.rgb_profile = cmd_rep->data[0];
+		return 0;
+	case USR_LIGHT_PROFILE_1:
+	case USR_LIGHT_PROFILE_2:
+	case USR_LIGHT_PROFILE_3:
+		mc_cdev = lcdev_to_mccdev(drvdata.led_cdev);
+		drvdata.rgb_effect = cmd_rep->data[0];
+		mc_cdev->subled_info[0].intensity = cmd_rep->data[1];
+		mc_cdev->subled_info[1].intensity = cmd_rep->data[2];
+		mc_cdev->subled_info[2].intensity = cmd_rep->data[3];
+		drvdata.led_cdev->brightness = cmd_rep->data[4];
+		drvdata.rgb_speed = 100 - cmd_rep->data[5];
+		return 0;
+	default:
+		return -EINVAL;
+	}
+}
+
+static int hid_go_device_status_event(struct command_report *cmd_rep)
+{
+	switch (cmd_rep->device_type) {
+	case LEFT_CONTROLLER:
+		switch (cmd_rep->data[0]) {
+		case CALDEV_GYROSCOPE:
+			drvdata.gp_left_gyro_cal_status = cmd_rep->data[1];
+			return 0;
+		case CALDEV_JOYSTICK:
+			drvdata.gp_left_joy_cal_status = cmd_rep->data[1];
+			return 0;
+		case CALDEV_TRIGGER:
+			drvdata.gp_left_trigg_cal_status = cmd_rep->data[1];
+			return 0;
+		default:
+			return -EINVAL;
+		}
+		break;
+	case RIGHT_CONTROLLER:
+		switch (cmd_rep->data[0]) {
+		case CALDEV_GYROSCOPE:
+			drvdata.gp_right_gyro_cal_status = cmd_rep->data[1];
+			return 0;
+		case CALDEV_JOYSTICK:
+			drvdata.gp_right_joy_cal_status = cmd_rep->data[1];
+			return 0;
+		case CALDEV_TRIGGER:
+			drvdata.gp_right_trigg_cal_status = cmd_rep->data[1];
+			return 0;
+		default:
+			return -EINVAL;
+		}
+		break;
+	default:
+		return -EINVAL;
+	}
+}
+
+static int hid_go_os_mode_cfg_event(struct command_report *cmd_rep)
+{
+	switch (cmd_rep->sub_cmd) {
+	case SET_OS_MODE:
+		if (cmd_rep->data[0] != 1)
+			return -EIO;
+		return 0;
+	case GET_OS_MODE:
+		drvdata.os_mode = cmd_rep->data[0];
+		return 0;
+	default:
+		return -EINVAL;
+	}
+}
+
+static int hid_go_set_event_return(struct command_report *cmd_rep)
+{
+	if (cmd_rep->data[0] != 0)
+		return -EIO;
+
+	return 0;
+}
+
+static int get_endpoint_address(struct hid_device *hdev)
+{
+	struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
+	struct usb_host_endpoint *ep;
+
+	if (!intf)
+		return -ENODEV;
+
+	ep = intf->cur_altsetting->endpoint;
+	if (!ep)
+		return -ENODEV;
+
+	return ep->desc.bEndpointAddress;
+}
+
+static int hid_go_raw_event(struct hid_device *hdev, struct hid_report *report,
+			    u8 *data, int size)
+{
+	struct command_report *cmd_rep;
+	int ep, ret;
+
+	if (size != GO_PACKET_SIZE)
+		goto passthrough;
+
+	ep = get_endpoint_address(hdev);
+	if (ep != GO_GP_INTF_IN)
+		goto passthrough;
+
+	cmd_rep = (struct command_report *)data;
+
+	switch (cmd_rep->id) {
+	case MCU_CONFIG_DATA:
+		switch (cmd_rep->cmd) {
+		case GET_VERSION_DATA:
+			ret = hid_go_version_event(cmd_rep);
+			break;
+		case GET_FEATURE_STATUS:
+			ret = hid_go_feature_status_event(cmd_rep);
+			break;
+		case GET_MOTOR_CFG:
+			ret = hid_go_motor_event(cmd_rep);
+			break;
+		case GET_DPI_CFG:
+			ret = hid_go_fps_dpi_event(cmd_rep);
+			break;
+		case GET_RGB_CFG:
+			ret = hid_go_light_event(cmd_rep);
+			break;
+		case GET_DEVICE_STATUS:
+			ret = hid_go_device_status_event(cmd_rep);
+			break;
+		case SET_FEATURE_STATUS:
+		case SET_MOTOR_CFG:
+		case SET_DPI_CFG:
+		case SET_RGB_CFG:
+		case SET_TRIGGER_CFG:
+		case SET_JOYSTICK_CFG:
+		case SET_GYRO_CFG:
+			ret = hid_go_set_event_return(cmd_rep);
+			break;
+		default:
+			ret = -EINVAL;
+			break;
+		}
+		break;
+	case OS_MODE_DATA:
+		ret = hid_go_os_mode_cfg_event(cmd_rep);
+		break;
+	default:
+		goto passthrough;
+	}
+	dev_dbg(&hdev->dev, "Rx data as raw input report: [%*ph]\n",
+		GO_PACKET_SIZE, data);
+
+	complete(&drvdata.send_cmd_complete);
+	return ret;
+
+passthrough:
+	/* Forward other HID reports so they generate events */
+	hid_input_report(hdev, HID_INPUT_REPORT, data, size, 1);
+	return 0;
+}
+
+static int mcu_property_out(struct hid_device *hdev, u8 id, u8 command,
+			    u8 index, enum dev_type device, u8 *data, size_t len)
+{
+	unsigned char *dmabuf __free(kfree) = NULL;
+	u8 header[] = { GO_OUTPUT_REPORT_ID, id, command, index, device };
+	size_t header_size = ARRAY_SIZE(header);
+	int timeout = 50;
+	int ret;
+
+	if (header_size + len > GO_PACKET_SIZE)
+		return -EINVAL;
+
+	guard(mutex)(&drvdata.cfg_mutex);
+	/* We can't use a devm_alloc reusable buffer without side effects during suspend */
+	dmabuf = kzalloc(GO_PACKET_SIZE, GFP_KERNEL);
+	if (!dmabuf)
+		return -ENOMEM;
+
+	memcpy(dmabuf, header, header_size);
+	memcpy(dmabuf + header_size, data, len);
+
+	dev_dbg(&hdev->dev, "Send data as raw output report: [%*ph]\n",
+		GO_PACKET_SIZE, dmabuf);
+
+	ret = hid_hw_output_report(hdev, dmabuf, GO_PACKET_SIZE);
+	if (ret < 0)
+		return ret;
+
+	ret = ret == GO_PACKET_SIZE ? 0 : -EINVAL;
+	if (ret)
+		return ret;
+
+	ret = wait_for_completion_interruptible_timeout(&drvdata.send_cmd_complete,
+							msecs_to_jiffies(timeout));
+
+	if (ret == 0) /* timeout occurred */
+		ret = -EBUSY;
+
+	reinit_completion(&drvdata.send_cmd_complete);
+	return 0;
+}
+
+static ssize_t version_show(struct device *dev, struct device_attribute *attr,
+			    char *buf, enum version_data_index index,
+			    enum dev_type device_type)
+{
+	ssize_t count = 0;
+	int ret;
+
+	ret = mcu_property_out(drvdata.hdev, MCU_CONFIG_DATA, GET_VERSION_DATA,
+			       index, device_type, NULL, 0);
+	if (ret)
+		return ret;
+
+	switch (index) {
+	case PRODUCT_VERSION:
+		switch (device_type) {
+		case USB_MCU:
+			count = sysfs_emit(buf, "%x\n",
+					   drvdata.mcu_version_product);
+			break;
+		case TX_DONGLE:
+			count = sysfs_emit(buf, "%x\n",
+					   drvdata.tx_dongle_version_product);
+			break;
+		case LEFT_CONTROLLER:
+			count = sysfs_emit(buf, "%x\n",
+					   drvdata.gp_left_version_product);
+			break;
+		case RIGHT_CONTROLLER:
+			count = sysfs_emit(buf, "%x\n",
+					   drvdata.gp_right_version_product);
+			break;
+		default:
+			return -EINVAL;
+		}
+		break;
+	case PROTOCOL_VERSION:
+		switch (device_type) {
+		case USB_MCU:
+			count = sysfs_emit(buf, "%x\n",
+					   drvdata.mcu_version_protocol);
+			break;
+		case TX_DONGLE:
+			count = sysfs_emit(buf, "%x\n",
+					   drvdata.tx_dongle_version_protocol);
+			break;
+		case LEFT_CONTROLLER:
+			count = sysfs_emit(buf, "%x\n",
+					   drvdata.gp_left_version_protocol);
+			break;
+		case RIGHT_CONTROLLER:
+			count = sysfs_emit(buf, "%x\n",
+					   drvdata.gp_right_version_protocol);
+			break;
+		default:
+			return -EINVAL;
+		}
+		break;
+	case FIRMWARE_VERSION:
+		switch (device_type) {
+		case USB_MCU:
+			count = sysfs_emit(buf, "%x\n",
+					   drvdata.mcu_version_firmware);
+			break;
+		case TX_DONGLE:
+			count = sysfs_emit(buf, "%x\n",
+					   drvdata.tx_dongle_version_firmware);
+			break;
+		case LEFT_CONTROLLER:
+			count = sysfs_emit(buf, "%x\n",
+					   drvdata.gp_left_version_firmware);
+			break;
+		case RIGHT_CONTROLLER:
+			count = sysfs_emit(buf, "%x\n",
+					   drvdata.gp_right_version_firmware);
+			break;
+		default:
+			return -EINVAL;
+		}
+		break;
+	case HARDWARE_VERSION:
+		switch (device_type) {
+		case USB_MCU:
+			count = sysfs_emit(buf, "%x\n",
+					   drvdata.mcu_version_hardware);
+			break;
+		case TX_DONGLE:
+			count = sysfs_emit(buf, "%x\n",
+					   drvdata.tx_dongle_version_hardware);
+			break;
+		case LEFT_CONTROLLER:
+			count = sysfs_emit(buf, "%x\n",
+					   drvdata.gp_left_version_hardware);
+			break;
+		case RIGHT_CONTROLLER:
+			count = sysfs_emit(buf, "%x\n",
+					   drvdata.gp_right_version_hardware);
+			break;
+		default:
+			return -EINVAL;
+		}
+		break;
+	case HARDWARE_GENERATION:
+		switch (device_type) {
+		case USB_MCU:
+			count = sysfs_emit(buf, "%x\n",
+					   drvdata.mcu_version_gen);
+			break;
+		case TX_DONGLE:
+			count = sysfs_emit(buf, "%x\n",
+					   drvdata.tx_dongle_version_gen);
+			break;
+		case LEFT_CONTROLLER:
+			count = sysfs_emit(buf, "%x\n",
+					   drvdata.gp_left_version_gen);
+			break;
+		case RIGHT_CONTROLLER:
+			count = sysfs_emit(buf, "%x\n",
+					   drvdata.gp_right_version_gen);
+			break;
+		default:
+			return -EINVAL;
+		}
+		break;
+	}
+
+	return count;
+}
+
+static ssize_t feature_status_store(struct device *dev,
+				    struct device_attribute *attr,
+				    const char *buf, size_t count,
+				    enum feature_status_index index,
+				    enum dev_type device_type)
+{
+	size_t size = 1;
+	u8 val = 0;
+	int ret;
+
+	switch (index) {
+	case FEATURE_IMU_ENABLE:
+	case FEATURE_IMU_BYPASS:
+	case FEATURE_LIGHT_ENABLE:
+	case FEATURE_TOUCHPAD_ENABLE:
+		ret = sysfs_match_string(enabled_status_text, buf);
+		val = ret;
+		break;
+	case FEATURE_AUTO_SLEEP_TIME:
+		ret = kstrtou8(buf, 10, &val);
+		break;
+	case FEATURE_RESET_GAMEPAD:
+		ret = kstrtou8(buf, 10, &val);
+		if (val != GO_GP_RESET_SUCCESS)
+			return -EINVAL;
+		break;
+	case FEATURE_FPS_SWITCH_STATUS:
+		ret = sysfs_match_string(fps_switch_text, buf);
+		val = ret;
+		break;
+	case FEATURE_GAMEPAD_MODE:
+		ret = sysfs_match_string(gamepad_mode_text, buf);
+		val = ret;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	if (ret < 0)
+		return ret;
+
+	if (!val)
+		size = 0;
+
+	ret = mcu_property_out(drvdata.hdev, MCU_CONFIG_DATA,
+			       SET_FEATURE_STATUS, index, device_type, &val,
+			       size);
+	if (ret < 0)
+		return ret;
+
+	return count;
+}
+
+static ssize_t feature_status_show(struct device *dev,
+				   struct device_attribute *attr, char *buf,
+				   enum feature_status_index index,
+				   enum dev_type device_type)
+{
+	ssize_t count = 0;
+	int ret;
+	u8 i;
+
+	ret = mcu_property_out(drvdata.hdev, MCU_CONFIG_DATA,
+			       GET_FEATURE_STATUS, index, device_type, NULL, 0);
+	if (ret)
+		return ret;
+
+	switch (index) {
+	case FEATURE_IMU_ENABLE:
+		switch (device_type) {
+		case LEFT_CONTROLLER:
+			i = drvdata.imu_left_sensor_en;
+			break;
+		case RIGHT_CONTROLLER:
+			i = drvdata.imu_right_sensor_en;
+			break;
+		default:
+			return -EINVAL;
+		}
+		if (i >= ARRAY_SIZE(enabled_status_text))
+			return -EINVAL;
+
+		count = sysfs_emit(buf, "%s\n", enabled_status_text[i]);
+		break;
+	case FEATURE_IMU_BYPASS:
+		switch (device_type) {
+		case LEFT_CONTROLLER:
+			i = drvdata.imu_left_bypass_en;
+			break;
+		case RIGHT_CONTROLLER:
+			i = drvdata.imu_right_bypass_en;
+			break;
+		default:
+			return -EINVAL;
+		}
+		if (i >= ARRAY_SIZE(enabled_status_text))
+			return -EINVAL;
+
+		count = sysfs_emit(buf, "%s\n", enabled_status_text[i]);
+		break;
+	case FEATURE_LIGHT_ENABLE:
+		i = drvdata.rgb_en;
+		if (i >= ARRAY_SIZE(enabled_status_text))
+			return -EINVAL;
+
+		count = sysfs_emit(buf, "%s\n", enabled_status_text[i]);
+		break;
+	case FEATURE_TOUCHPAD_ENABLE:
+		i = drvdata.tp_en;
+		if (i >= ARRAY_SIZE(enabled_status_text))
+			return -EINVAL;
+
+		count = sysfs_emit(buf, "%s\n", enabled_status_text[i]);
+		break;
+	case FEATURE_AUTO_SLEEP_TIME:
+		switch (device_type) {
+		case LEFT_CONTROLLER:
+			i = drvdata.gp_left_auto_sleep_time;
+			break;
+		case RIGHT_CONTROLLER:
+			i = drvdata.gp_right_auto_sleep_time;
+			break;
+		default:
+			return -EINVAL;
+		}
+		count = sysfs_emit(buf, "%u\n", i);
+		break;
+	case FEATURE_FPS_SWITCH_STATUS:
+		i = drvdata.fps_mode;
+		if (i >= ARRAY_SIZE(fps_switch_text))
+			return -EINVAL;
+
+		count = sysfs_emit(buf, "%s\n", fps_switch_text[i]);
+		break;
+	case FEATURE_GAMEPAD_MODE:
+		i = drvdata.gp_mode;
+		if (i >= ARRAY_SIZE(gamepad_mode_text))
+			return -EINVAL;
+
+		count = sysfs_emit(buf, "%s\n", gamepad_mode_text[i]);
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return count;
+}
+
+static ssize_t feature_status_options(struct device *dev,
+				      struct device_attribute *attr, char *buf,
+				      enum feature_status_index index)
+{
+	ssize_t count = 0;
+	unsigned int i;
+
+	switch (index) {
+	case FEATURE_IMU_ENABLE:
+	case FEATURE_IMU_BYPASS:
+	case FEATURE_LIGHT_ENABLE:
+	case FEATURE_TOUCHPAD_ENABLE:
+		for (i = 1; i < ARRAY_SIZE(enabled_status_text); i++) {
+			count += sysfs_emit_at(buf, count, "%s ",
+					       enabled_status_text[i]);
+		}
+		break;
+	case FEATURE_AUTO_SLEEP_TIME:
+		return sysfs_emit(buf, "0-255\n");
+	case FEATURE_FPS_SWITCH_STATUS:
+		for (i = 1; i < ARRAY_SIZE(fps_switch_text); i++) {
+			count += sysfs_emit_at(buf, count, "%s ",
+					       fps_switch_text[i]);
+		}
+		break;
+	case FEATURE_GAMEPAD_MODE:
+		for (i = 1; i < ARRAY_SIZE(gamepad_mode_text); i++) {
+			count += sysfs_emit_at(buf, count, "%s ",
+					       gamepad_mode_text[i]);
+		}
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	if (count)
+		buf[count - 1] = '\n';
+
+	return count;
+}
+
+static ssize_t motor_config_store(struct device *dev,
+				  struct device_attribute *attr,
+				  const char *buf, size_t count,
+				  enum motor_cfg_index index,
+				  enum dev_type device_type)
+{
+	size_t size = 1;
+	u8 val = 0;
+	int ret;
+
+	switch (index) {
+	case MOTOR_CFG_ALL:
+		return -EINVAL;
+	case MOTOR_INTENSITY:
+		ret = sysfs_match_string(intensity_text, buf);
+		val = ret;
+		break;
+	case VIBRATION_NOTIFY_ENABLE:
+		ret = sysfs_match_string(enabled_status_text, buf);
+		val = ret;
+		break;
+	case RUMBLE_MODE:
+		ret = sysfs_match_string(rumble_mode_text, buf);
+		val = ret;
+		break;
+	case TP_VIBRATION_ENABLE:
+		ret = sysfs_match_string(enabled_status_text, buf);
+		val = ret;
+		break;
+	case TP_VIBRATION_INTENSITY:
+		ret = sysfs_match_string(intensity_text, buf);
+		val = ret;
+		break;
+	}
+
+	if (ret < 0)
+		return ret;
+
+	if (!val)
+		size = 0;
+
+	ret = mcu_property_out(drvdata.hdev, MCU_CONFIG_DATA, SET_MOTOR_CFG,
+			       index, device_type, &val, size);
+	if (ret < 0)
+		return ret;
+
+	return count;
+}
+
+static ssize_t motor_config_show(struct device *dev,
+				 struct device_attribute *attr, char *buf,
+				 enum motor_cfg_index index,
+				 enum dev_type device_type)
+{
+	ssize_t count = 0;
+	int ret;
+	u8 i;
+
+	ret = mcu_property_out(drvdata.hdev, MCU_CONFIG_DATA, GET_MOTOR_CFG,
+			       index, device_type, NULL, 0);
+	if (ret)
+		return ret;
+
+	switch (index) {
+	case MOTOR_CFG_ALL:
+		return -EINVAL;
+	case MOTOR_INTENSITY:
+		i = drvdata.gp_rumble_intensity;
+		if (i >= ARRAY_SIZE(intensity_text))
+			return -EINVAL;
+
+		count = sysfs_emit(buf, "%s\n", intensity_text[i]);
+		break;
+	case VIBRATION_NOTIFY_ENABLE:
+		switch (device_type) {
+		case LEFT_CONTROLLER:
+			i = drvdata.gp_left_notify_en;
+			break;
+		case RIGHT_CONTROLLER:
+			i = drvdata.gp_right_notify_en;
+			break;
+		default:
+			return -EINVAL;
+		}
+		if (i >= ARRAY_SIZE(enabled_status_text))
+			return -EINVAL;
+
+		count = sysfs_emit(buf, "%s\n", enabled_status_text[i]);
+		break;
+	case RUMBLE_MODE:
+		switch (device_type) {
+		case LEFT_CONTROLLER:
+			i = drvdata.gp_left_rumble_mode;
+			break;
+		case RIGHT_CONTROLLER:
+			i = drvdata.gp_right_rumble_mode;
+			break;
+		default:
+			return -EINVAL;
+		}
+		if (i >= ARRAY_SIZE(rumble_mode_text))
+			return -EINVAL;
+
+		count = sysfs_emit(buf, "%s\n", rumble_mode_text[i]);
+		break;
+	case TP_VIBRATION_ENABLE:
+		i = drvdata.tp_vibration_en;
+		if (i >= ARRAY_SIZE(enabled_status_text))
+			return -EINVAL;
+
+		count = sysfs_emit(buf, "%s\n", enabled_status_text[i]);
+		break;
+	case TP_VIBRATION_INTENSITY:
+		i = drvdata.tp_vibration_intensity;
+		if (i >= ARRAY_SIZE(intensity_text))
+			return -EINVAL;
+
+		count = sysfs_emit(buf, "%s\n", intensity_text[i]);
+		break;
+	}
+
+	return count;
+}
+
+static ssize_t motor_config_options(struct device *dev,
+				    struct device_attribute *attr, char *buf,
+				    enum motor_cfg_index index)
+{
+	ssize_t count = 0;
+	unsigned int i;
+
+	switch (index) {
+	case MOTOR_CFG_ALL:
+		break;
+	case RUMBLE_MODE:
+		for (i = 1; i < ARRAY_SIZE(rumble_mode_text); i++) {
+			count += sysfs_emit_at(buf, count, "%s ",
+					       rumble_mode_text[i]);
+		}
+		break;
+	case MOTOR_INTENSITY:
+	case TP_VIBRATION_INTENSITY:
+		for (i = 1; i < ARRAY_SIZE(intensity_text); i++) {
+			count += sysfs_emit_at(buf, count, "%s ",
+					       intensity_text[i]);
+		}
+		break;
+	case VIBRATION_NOTIFY_ENABLE:
+	case TP_VIBRATION_ENABLE:
+		for (i = 1; i < ARRAY_SIZE(enabled_status_text); i++) {
+			count += sysfs_emit_at(buf, count, "%s ",
+					       enabled_status_text[i]);
+		}
+		break;
+	}
+
+	if (count)
+		buf[count - 1] = '\n';
+
+	return count;
+}
+
+static ssize_t fps_mode_dpi_store(struct device *dev,
+				  struct device_attribute *attr,
+				  const char *buf, size_t count)
+
+{
+	size_t size = 4;
+	u32 value;
+	u8 val[4];
+	int ret;
+
+	ret = kstrtou32(buf, 10, &value);
+	if (ret)
+		return ret;
+
+	if (value != 500 && value != 800 && value != 1200 && value != 1800)
+		return -EINVAL;
+
+	put_unaligned_le32(value, val);
+
+	ret = mcu_property_out(drvdata.hdev, MCU_CONFIG_DATA, SET_DPI_CFG,
+			       FPS_MODE_DPI, UNSPECIFIED, val, size);
+	if (ret < 0)
+		return ret;
+
+	return count;
+}
+
+static ssize_t fps_mode_dpi_show(struct device *dev,
+				 struct device_attribute *attr, char *buf)
+{
+	int ret;
+
+	ret = mcu_property_out(drvdata.hdev, MCU_CONFIG_DATA, GET_DPI_CFG,
+			       FPS_MODE_DPI, UNSPECIFIED, NULL, 0);
+	if (ret < 0)
+		return ret;
+
+	return sysfs_emit(buf, "%u\n", drvdata.mouse_dpi);
+}
+
+static ssize_t fps_mode_dpi_index_show(struct device *dev,
+				       struct device_attribute *attr, char *buf)
+{
+	return sysfs_emit(buf, "500 800 1200 1800\n");
+}
+
+static ssize_t device_status_show(struct device *dev,
+				  struct device_attribute *attr, char *buf,
+				  enum device_status_index index,
+				  enum dev_type device_type,
+				  enum cal_device_type cal_type)
+{
+	u8 i;
+
+	switch (index) {
+	case GET_CAL_STATUS:
+		switch (device_type) {
+		case LEFT_CONTROLLER:
+			switch (cal_type) {
+			case CALDEV_GYROSCOPE:
+				i = drvdata.gp_left_gyro_cal_status;
+				break;
+			case CALDEV_JOYSTICK:
+				i = drvdata.gp_left_joy_cal_status;
+				break;
+			case CALDEV_TRIGGER:
+				i = drvdata.gp_left_trigg_cal_status;
+				break;
+			default:
+				return -EINVAL;
+			}
+			break;
+		case RIGHT_CONTROLLER:
+			switch (cal_type) {
+			case CALDEV_GYROSCOPE:
+				i = drvdata.gp_right_gyro_cal_status;
+				break;
+			case CALDEV_JOYSTICK:
+				i = drvdata.gp_right_joy_cal_status;
+				break;
+			case CALDEV_TRIGGER:
+				i = drvdata.gp_right_trigg_cal_status;
+				break;
+			default:
+				return -EINVAL;
+			}
+			break;
+		default:
+			return -EINVAL;
+		}
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	if (i >= ARRAY_SIZE(cal_status_text))
+		return -EINVAL;
+
+	return sysfs_emit(buf, "%s\n", cal_status_text[i]);
+}
+
+static ssize_t calibrate_config_store(struct device *dev,
+				      struct device_attribute *attr,
+				      const char *buf, u8 cmd, u8 sub_cmd,
+				      size_t count, enum dev_type device_type)
+{
+	size_t size = 1;
+	u8 val = 0;
+	int ret;
+
+	ret = sysfs_match_string(cal_enabled_text, buf);
+	if (ret < 0)
+		return ret;
+
+	val = ret;
+	if (!val)
+		size = 0;
+
+	ret = mcu_property_out(drvdata.hdev, MCU_CONFIG_DATA, cmd, sub_cmd,
+			       device_type, &val, size);
+	if (ret < 0)
+		return ret;
+
+	return count;
+}
+
+static ssize_t calibrate_config_options(struct device *dev,
+					struct device_attribute *attr,
+					char *buf)
+{
+	ssize_t count = 0;
+	unsigned int i;
+
+	for (i = 1; i < ARRAY_SIZE(cal_enabled_text); i++)
+		count += sysfs_emit_at(buf, count, "%s ", cal_enabled_text[i]);
+
+	buf[count - 1] = '\n';
+
+	return count;
+}
+
+static ssize_t os_mode_store(struct device *dev, struct device_attribute *attr,
+			     const char *buf, size_t count)
+{
+	size_t size = 1;
+	int ret;
+	u8 val;
+
+	ret = sysfs_match_string(os_mode_text, buf);
+	if (ret <= 0)
+		return ret;
+
+	val = ret;
+	ret = mcu_property_out(drvdata.hdev, OS_MODE_DATA, FEATURE_OS_MODE,
+			       SET_OS_MODE, USB_MCU, &val, size);
+	if (ret < 0)
+		return ret;
+
+	drvdata.os_mode = val;
+
+	return count;
+}
+
+static ssize_t os_mode_show(struct device *dev, struct device_attribute *attr,
+			    char *buf)
+{
+	ssize_t count = 0;
+	int ret;
+	u8 i;
+
+	ret = mcu_property_out(drvdata.hdev, OS_MODE_DATA, FEATURE_OS_MODE,
+			       GET_OS_MODE, USB_MCU, NULL, 0);
+	if (ret)
+		return ret;
+
+	i = drvdata.os_mode;
+	if (i >= ARRAY_SIZE(os_mode_text))
+		return -EINVAL;
+
+	count = sysfs_emit(buf, "%s\n", os_mode_text[i]);
+
+	return count;
+}
+
+static ssize_t os_mode_index_show(struct device *dev,
+				  struct device_attribute *attr, char *buf)
+{
+	ssize_t count = 0;
+	unsigned int i;
+
+	for (i = 1; i < ARRAY_SIZE(os_mode_text); i++)
+		count += sysfs_emit_at(buf, count, "%s ", os_mode_text[i]);
+
+	if (count)
+		buf[count - 1] = '\n';
+
+	return count;
+}
+
+static int rgb_cfg_call(struct hid_device *hdev, enum mcu_command_index cmd,
+			enum rgb_config_index index, u8 *val, size_t size)
+{
+	if (cmd != SET_RGB_CFG && cmd != GET_RGB_CFG)
+		return -EINVAL;
+
+	if (index < LIGHT_CFG_ALL || index > USR_LIGHT_PROFILE_3)
+		return -EINVAL;
+
+	return mcu_property_out(hdev, MCU_CONFIG_DATA, cmd, index, UNSPECIFIED,
+				val, size);
+}
+
+static int rgb_attr_show(void)
+{
+	enum rgb_config_index index;
+
+	index = drvdata.rgb_profile + 3;
+
+	return rgb_cfg_call(drvdata.hdev, GET_RGB_CFG, index, NULL, 0);
+}
+
+static ssize_t rgb_effect_store(struct device *dev,
+				struct device_attribute *attr, const char *buf,
+				size_t count)
+{
+	struct led_classdev_mc *mc_cdev = lcdev_to_mccdev(drvdata.led_cdev);
+	enum rgb_config_index index;
+	u8 effect;
+	int ret;
+
+	ret = sysfs_match_string(rgb_effect_text, buf);
+	if (ret < 0)
+		return ret;
+
+	effect = ret;
+	index = drvdata.rgb_profile + 3;
+	u8 rgb_profile[6] = { effect,
+			      mc_cdev->subled_info[0].intensity,
+			      mc_cdev->subled_info[1].intensity,
+			      mc_cdev->subled_info[2].intensity,
+			      drvdata.led_cdev->brightness,
+			      drvdata.rgb_speed };
+
+	ret = rgb_cfg_call(drvdata.hdev, SET_RGB_CFG, index, rgb_profile, 6);
+	if (ret)
+		return ret;
+
+	drvdata.rgb_effect = effect;
+	return count;
+}
+
+static ssize_t rgb_effect_show(struct device *dev,
+			       struct device_attribute *attr, char *buf)
+{
+	int ret;
+
+	ret = rgb_attr_show();
+	if (ret)
+		return ret;
+
+	if (drvdata.rgb_effect >= ARRAY_SIZE(rgb_effect_text))
+		return -EINVAL;
+
+	return sysfs_emit(buf, "%s\n", rgb_effect_text[drvdata.rgb_effect]);
+}
+
+static ssize_t rgb_effect_index_show(struct device *dev,
+				     struct device_attribute *attr, char *buf)
+{
+	ssize_t count = 0;
+	unsigned int i;
+
+	for (i = 0; i < ARRAY_SIZE(rgb_effect_text); i++)
+		count += sysfs_emit_at(buf, count, "%s ", rgb_effect_text[i]);
+
+	if (count)
+		buf[count - 1] = '\n';
+
+	return count;
+}
+
+static ssize_t rgb_speed_store(struct device *dev,
+			       struct device_attribute *attr, const char *buf,
+			       size_t count)
+{
+	struct led_classdev_mc *mc_cdev = lcdev_to_mccdev(drvdata.led_cdev);
+	enum rgb_config_index index;
+	int val = 0;
+	int ret;
+
+	ret = kstrtoint(buf, 10, &val);
+	if (ret)
+		return ret;
+
+	if (val < 0 || val > 100)
+		return -EINVAL;
+
+	/* This is a delay setting, invert logic for consistency with other drivers */
+	val = 100 - val;
+
+	index = drvdata.rgb_profile + 3;
+	u8 rgb_profile[6] = { drvdata.rgb_effect,
+			      mc_cdev->subled_info[0].intensity,
+			      mc_cdev->subled_info[1].intensity,
+			      mc_cdev->subled_info[2].intensity,
+			      drvdata.led_cdev->brightness,
+			      val };
+
+	ret = rgb_cfg_call(drvdata.hdev, SET_RGB_CFG, index, rgb_profile, 6);
+	if (ret)
+		return ret;
+
+	drvdata.rgb_speed = val;
+
+	return count;
+}
+
+static ssize_t rgb_speed_show(struct device *dev, struct device_attribute *attr,
+			      char *buf)
+{
+	int ret, val;
+
+	ret = rgb_attr_show();
+	if (ret)
+		return ret;
+
+	if (drvdata.rgb_speed > 100)
+		return -EINVAL;
+
+	val = drvdata.rgb_speed;
+
+	return sysfs_emit(buf, "%hhu\n", val);
+}
+
+static ssize_t rgb_speed_range_show(struct device *dev,
+				    struct device_attribute *attr, char *buf)
+{
+	return sysfs_emit(buf, "0-100\n");
+}
+
+static ssize_t rgb_mode_store(struct device *dev, struct device_attribute *attr,
+			      const char *buf, size_t count)
+{
+	int ret;
+	u8 val;
+
+	ret = sysfs_match_string(rgb_mode_text, buf);
+	if (ret <= 0)
+		return ret;
+
+	val = ret;
+
+	ret = rgb_cfg_call(drvdata.hdev, SET_RGB_CFG, LIGHT_MODE_SEL, &val, 1);
+	if (ret)
+		return ret;
+
+	drvdata.rgb_mode = val;
+
+	return count;
+}
+
+static ssize_t rgb_mode_show(struct device *dev, struct device_attribute *attr,
+			     char *buf)
+{
+	int ret;
+
+	ret = rgb_cfg_call(drvdata.hdev, GET_RGB_CFG, LIGHT_MODE_SEL, NULL, 0);
+	if (ret)
+		return ret;
+
+	if (drvdata.rgb_mode >= ARRAY_SIZE(rgb_mode_text))
+		return -EINVAL;
+
+	return sysfs_emit(buf, "%s\n", rgb_mode_text[drvdata.rgb_mode]);
+}
+
+static ssize_t rgb_mode_index_show(struct device *dev,
+				   struct device_attribute *attr, char *buf)
+{
+	ssize_t count = 0;
+	unsigned int i;
+
+	for (i = 1; i < ARRAY_SIZE(rgb_mode_text); i++)
+		count += sysfs_emit_at(buf, count, "%s ", rgb_mode_text[i]);
+
+	if (count)
+		buf[count - 1] = '\n';
+
+	return count;
+}
+
+static ssize_t rgb_profile_store(struct device *dev,
+				 struct device_attribute *attr, const char *buf,
+				 size_t count)
+{
+	size_t size = 1;
+	int ret;
+	u8 val;
+
+	ret = kstrtou8(buf, 10, &val);
+	if (ret < 0)
+		return ret;
+
+	if (val < 1 || val > 3)
+		return -EINVAL;
+
+	ret = rgb_cfg_call(drvdata.hdev, SET_RGB_CFG, LIGHT_PROFILE_SEL, &val, size);
+	if (ret)
+		return ret;
+
+	drvdata.rgb_profile = val;
+
+	return count;
+}
+
+static ssize_t rgb_profile_show(struct device *dev,
+				struct device_attribute *attr, char *buf)
+{
+	int ret;
+
+	ret = rgb_cfg_call(drvdata.hdev, GET_RGB_CFG, LIGHT_PROFILE_SEL, NULL, 0);
+	if (ret)
+		return ret;
+
+	if (drvdata.rgb_profile < 1 || drvdata.rgb_profile > 3)
+		return -EINVAL;
+
+	return sysfs_emit(buf, "%hhu\n", drvdata.rgb_profile);
+}
+
+static ssize_t rgb_profile_range_show(struct device *dev,
+				      struct device_attribute *attr, char *buf)
+{
+	return sysfs_emit(buf, "1-3\n");
+}
+
+static void hid_go_brightness_set(struct led_classdev *led_cdev,
+				  enum led_brightness brightness)
+{
+	struct led_classdev_mc *mc_cdev = lcdev_to_mccdev(drvdata.led_cdev);
+	enum rgb_config_index index;
+	int ret;
+
+	if (brightness > led_cdev->max_brightness) {
+		dev_err(led_cdev->dev, "Invalid argument\n");
+		return;
+	}
+
+	index = drvdata.rgb_profile + 3;
+	u8 rgb_profile[6] = { drvdata.rgb_effect,
+			      mc_cdev->subled_info[0].intensity,
+			      mc_cdev->subled_info[1].intensity,
+			      mc_cdev->subled_info[2].intensity,
+			      brightness,
+			      drvdata.rgb_speed };
+
+	ret = rgb_cfg_call(drvdata.hdev, SET_RGB_CFG, index, rgb_profile, 6);
+	switch (ret) {
+	case 0:
+		led_cdev->brightness = brightness;
+		break;
+	case -ENODEV: /* during switch to IAP -ENODEV is expected */
+	case -ENOSYS: /* during rmmod -ENOSYS is expected */
+		dev_dbg(led_cdev->dev, "Failed to write RGB profile: %i\n", ret);
+		break;
+	default:
+		dev_err(led_cdev->dev, "Failed to write RGB profile: %i\n", ret);
+	}
+}
+
+#define LEGO_DEVICE_ATTR_RW(_name, _attrname, _dtype, _rtype, _group)         \
+	static ssize_t _name##_store(struct device *dev,                      \
+				     struct device_attribute *attr,           \
+				     const char *buf, size_t count)           \
+	{                                                                     \
+		return _group##_store(dev, attr, buf, count, _name.index,     \
+				      _dtype);                                \
+	}                                                                     \
+	static ssize_t _name##_show(struct device *dev,                       \
+				    struct device_attribute *attr, char *buf) \
+	{                                                                     \
+		return _group##_show(dev, attr, buf, _name.index, _dtype);    \
+	}                                                                     \
+	static ssize_t _name##_##_rtype##_show(                               \
+		struct device *dev, struct device_attribute *attr, char *buf) \
+	{                                                                     \
+		return _group##_options(dev, attr, buf, _name.index);         \
+	}                                                                     \
+	static DEVICE_ATTR_RW_NAMED(_name, _attrname)
+
+#define LEGO_DEVICE_ATTR_WO(_name, _attrname, _dtype, _group)             \
+	static ssize_t _name##_store(struct device *dev,                  \
+				     struct device_attribute *attr,       \
+				     const char *buf, size_t count)       \
+	{                                                                 \
+		return _group##_store(dev, attr, buf, count, _name.index, \
+				      _dtype);                            \
+	}                                                                 \
+	static DEVICE_ATTR_WO_NAMED(_name, _attrname)
+
+#define LEGO_DEVICE_ATTR_RO(_name, _attrname, _dtype, _group)                 \
+	static ssize_t _name##_show(struct device *dev,                       \
+				    struct device_attribute *attr, char *buf) \
+	{                                                                     \
+		return _group##_show(dev, attr, buf, _name.index, _dtype);    \
+	}                                                                     \
+	static DEVICE_ATTR_RO_NAMED(_name, _attrname)
+
+#define LEGO_CAL_DEVICE_ATTR(_name, _attrname, _scmd, _dtype, _rtype)         \
+	static ssize_t _name##_store(struct device *dev,                      \
+				     struct device_attribute *attr,           \
+				     const char *buf, size_t count)           \
+	{                                                                     \
+		return calibrate_config_store(dev, attr, buf, _name.index,    \
+					      _scmd, count, _dtype);          \
+	}                                                                     \
+	static ssize_t _name##_##_rtype##_show(                               \
+		struct device *dev, struct device_attribute *attr, char *buf) \
+	{                                                                     \
+		return calibrate_config_options(dev, attr, buf);              \
+	}                                                                     \
+	static DEVICE_ATTR_WO_NAMED(_name, _attrname)
+
+#define LEGO_DEVICE_STATUS_ATTR(_name, _attrname, _scmd, _dtype)              \
+	static ssize_t _name##_show(struct device *dev,                       \
+				    struct device_attribute *attr, char *buf) \
+	{                                                                     \
+		return device_status_show(dev, attr, buf, _name.index, _scmd, \
+					  _dtype);                            \
+	}                                                                     \
+	static DEVICE_ATTR_RO_NAMED(_name, _attrname)
+
+/* Gamepad - MCU */
+static struct go_cfg_attr version_product_mcu = { PRODUCT_VERSION };
+LEGO_DEVICE_ATTR_RO(version_product_mcu, "product_version", USB_MCU, version);
+
+static struct go_cfg_attr version_protocol_mcu = { PROTOCOL_VERSION };
+LEGO_DEVICE_ATTR_RO(version_protocol_mcu, "protocol_version", USB_MCU, version);
+
+static struct go_cfg_attr version_firmware_mcu = { FIRMWARE_VERSION };
+LEGO_DEVICE_ATTR_RO(version_firmware_mcu, "firmware_version", USB_MCU, version);
+
+static struct go_cfg_attr version_hardware_mcu = { HARDWARE_VERSION };
+LEGO_DEVICE_ATTR_RO(version_hardware_mcu, "hardware_version", USB_MCU, version);
+
+static struct go_cfg_attr version_gen_mcu = { HARDWARE_GENERATION };
+LEGO_DEVICE_ATTR_RO(version_gen_mcu, "hardware_generation", USB_MCU, version);
+
+static struct go_cfg_attr fps_switch_status = { FEATURE_FPS_SWITCH_STATUS };
+LEGO_DEVICE_ATTR_RO(fps_switch_status, "fps_switch_status", UNSPECIFIED,
+		    feature_status);
+
+static struct go_cfg_attr gamepad_mode = { FEATURE_GAMEPAD_MODE };
+LEGO_DEVICE_ATTR_RW(gamepad_mode, "mode", UNSPECIFIED, index, feature_status);
+static DEVICE_ATTR_RO_NAMED(gamepad_mode_index, "mode_index");
+
+static struct go_cfg_attr reset_mcu = { FEATURE_RESET_GAMEPAD };
+LEGO_DEVICE_ATTR_WO(reset_mcu, "reset_mcu", USB_MCU, feature_status);
+
+static struct go_cfg_attr gamepad_rumble_intensity = { MOTOR_INTENSITY };
+LEGO_DEVICE_ATTR_RW(gamepad_rumble_intensity, "rumble_intensity", UNSPECIFIED,
+		    index, motor_config);
+static DEVICE_ATTR_RO_NAMED(gamepad_rumble_intensity_index,
+			    "rumble_intensity_index");
+
+static DEVICE_ATTR_RW(fps_mode_dpi);
+static DEVICE_ATTR_RO(fps_mode_dpi_index);
+
+static DEVICE_ATTR_RW(os_mode);
+static DEVICE_ATTR_RO(os_mode_index);
+
+static struct attribute *mcu_attrs[] = {
+	&dev_attr_fps_mode_dpi.attr,
+	&dev_attr_fps_mode_dpi_index.attr,
+	&dev_attr_fps_switch_status.attr,
+	&dev_attr_gamepad_mode.attr,
+	&dev_attr_gamepad_mode_index.attr,
+	&dev_attr_gamepad_rumble_intensity.attr,
+	&dev_attr_gamepad_rumble_intensity_index.attr,
+	&dev_attr_os_mode.attr,
+	&dev_attr_os_mode_index.attr,
+	&dev_attr_reset_mcu.attr,
+	&dev_attr_version_firmware_mcu.attr,
+	&dev_attr_version_gen_mcu.attr,
+	&dev_attr_version_hardware_mcu.attr,
+	&dev_attr_version_product_mcu.attr,
+	&dev_attr_version_protocol_mcu.attr,
+	NULL,
+};
+
+static const struct attribute_group mcu_attr_group = {
+	.attrs = mcu_attrs,
+};
+
+/* Gamepad - TX Dongle */
+static struct go_cfg_attr version_product_tx_dongle = { PRODUCT_VERSION };
+LEGO_DEVICE_ATTR_RO(version_product_tx_dongle, "product_version", TX_DONGLE, version);
+
+static struct go_cfg_attr version_protocol_tx_dongle = { PROTOCOL_VERSION };
+LEGO_DEVICE_ATTR_RO(version_protocol_tx_dongle, "protocol_version", TX_DONGLE, version);
+
+static struct go_cfg_attr version_firmware_tx_dongle = { FIRMWARE_VERSION };
+LEGO_DEVICE_ATTR_RO(version_firmware_tx_dongle, "firmware_version", TX_DONGLE, version);
+
+static struct go_cfg_attr version_hardware_tx_dongle = { HARDWARE_VERSION };
+LEGO_DEVICE_ATTR_RO(version_hardware_tx_dongle, "hardware_version", TX_DONGLE, version);
+
+static struct go_cfg_attr version_gen_tx_dongle = { HARDWARE_GENERATION };
+LEGO_DEVICE_ATTR_RO(version_gen_tx_dongle, "hardware_generation", TX_DONGLE, version);
+
+static struct go_cfg_attr reset_tx_dongle = { FEATURE_RESET_GAMEPAD };
+LEGO_DEVICE_ATTR_RO(reset_tx_dongle, "reset", TX_DONGLE, feature_status);
+
+static struct attribute *tx_dongle_attrs[] = {
+	&dev_attr_reset_tx_dongle.attr,
+	&dev_attr_version_hardware_tx_dongle.attr,
+	&dev_attr_version_firmware_tx_dongle.attr,
+	&dev_attr_version_gen_tx_dongle.attr,
+	&dev_attr_version_product_tx_dongle.attr,
+	&dev_attr_version_protocol_tx_dongle.attr,
+	NULL,
+};
+
+static const struct attribute_group tx_dongle_attr_group = {
+	.name = "tx_dongle",
+	.attrs = tx_dongle_attrs,
+};
+
+/* Gamepad - Left */
+static struct go_cfg_attr version_product_left = { PRODUCT_VERSION };
+LEGO_DEVICE_ATTR_RO(version_product_left, "product_version", LEFT_CONTROLLER, version);
+
+static struct go_cfg_attr version_protocol_left = { PROTOCOL_VERSION };
+LEGO_DEVICE_ATTR_RO(version_protocol_left, "protocol_version", LEFT_CONTROLLER, version);
+
+static struct go_cfg_attr version_firmware_left = { FIRMWARE_VERSION };
+LEGO_DEVICE_ATTR_RO(version_firmware_left, "firmware_version", LEFT_CONTROLLER, version);
+
+static struct go_cfg_attr version_hardware_left = { HARDWARE_VERSION };
+LEGO_DEVICE_ATTR_RO(version_hardware_left, "hardware_version", LEFT_CONTROLLER, version);
+
+static struct go_cfg_attr version_gen_left = { HARDWARE_GENERATION };
+LEGO_DEVICE_ATTR_RO(version_gen_left, "hardware_generation", LEFT_CONTROLLER, version);
+
+static struct go_cfg_attr auto_sleep_time_left = { FEATURE_AUTO_SLEEP_TIME };
+LEGO_DEVICE_ATTR_RW(auto_sleep_time_left, "auto_sleep_time", LEFT_CONTROLLER,
+		    range, feature_status);
+static DEVICE_ATTR_RO_NAMED(auto_sleep_time_left_range,
+			    "auto_sleep_time_range");
+
+static struct go_cfg_attr imu_bypass_left = { FEATURE_IMU_BYPASS };
+LEGO_DEVICE_ATTR_RW(imu_bypass_left, "imu_bypass_enabled", LEFT_CONTROLLER,
+		    index, feature_status);
+static DEVICE_ATTR_RO_NAMED(imu_bypass_left_index, "imu_bypass_enabled_index");
+
+static struct go_cfg_attr imu_enabled_left = { FEATURE_IMU_ENABLE };
+LEGO_DEVICE_ATTR_RW(imu_enabled_left, "imu_enabled", LEFT_CONTROLLER, index,
+		    feature_status);
+static DEVICE_ATTR_RO_NAMED(imu_enabled_left_index, "imu_enabled_index");
+
+static struct go_cfg_attr reset_left = { FEATURE_RESET_GAMEPAD };
+LEGO_DEVICE_ATTR_WO(reset_left, "reset", LEFT_CONTROLLER, feature_status);
+
+static struct go_cfg_attr rumble_mode_left = { RUMBLE_MODE };
+LEGO_DEVICE_ATTR_RW(rumble_mode_left, "rumble_mode", LEFT_CONTROLLER, index,
+		    motor_config);
+static DEVICE_ATTR_RO_NAMED(rumble_mode_left_index, "rumble_mode_index");
+
+static struct go_cfg_attr rumble_notification_left = { VIBRATION_NOTIFY_ENABLE };
+LEGO_DEVICE_ATTR_RW(rumble_notification_left, "rumble_notification",
+		    LEFT_CONTROLLER, index, motor_config);
+static DEVICE_ATTR_RO_NAMED(rumble_notification_left_index,
+			    "rumble_notification_index");
+
+static struct go_cfg_attr cal_trigg_left = { TRIGGER_CALIBRATE };
+LEGO_CAL_DEVICE_ATTR(cal_trigg_left, "calibrate_trigger", SET_TRIGGER_CFG,
+		     LEFT_CONTROLLER, index);
+static DEVICE_ATTR_RO_NAMED(cal_trigg_left_index, "calibrate_trigger_index");
+
+static struct go_cfg_attr cal_joy_left = { JOYSTICK_CALIBRATE };
+LEGO_CAL_DEVICE_ATTR(cal_joy_left, "calibrate_joystick", SET_JOYSTICK_CFG,
+		     LEFT_CONTROLLER, index);
+static DEVICE_ATTR_RO_NAMED(cal_joy_left_index, "calibrate_joystick_index");
+
+static struct go_cfg_attr cal_gyro_left = { GYRO_CALIBRATE };
+LEGO_CAL_DEVICE_ATTR(cal_gyro_left, "calibrate_gyro", SET_GYRO_CFG,
+		     LEFT_CONTROLLER, index);
+static DEVICE_ATTR_RO_NAMED(cal_gyro_left_index, "calibrate_gyro_index");
+
+static struct go_cfg_attr cal_trigg_left_status = { GET_CAL_STATUS };
+LEGO_DEVICE_STATUS_ATTR(cal_trigg_left_status, "calibrate_trigger_status",
+			LEFT_CONTROLLER, CALDEV_TRIGGER);
+
+static struct go_cfg_attr cal_joy_left_status = { GET_CAL_STATUS };
+LEGO_DEVICE_STATUS_ATTR(cal_joy_left_status, "calibrate_joystick_status",
+			LEFT_CONTROLLER, CALDEV_JOYSTICK);
+
+static struct go_cfg_attr cal_gyro_left_status = { GET_CAL_STATUS };
+LEGO_DEVICE_STATUS_ATTR(cal_gyro_left_status, "calibrate_gyro_status",
+			LEFT_CONTROLLER, CALDEV_GYROSCOPE);
+
+static struct attribute *left_gamepad_attrs[] = {
+	&dev_attr_auto_sleep_time_left.attr,
+	&dev_attr_auto_sleep_time_left_range.attr,
+	&dev_attr_cal_gyro_left.attr,
+	&dev_attr_cal_gyro_left_index.attr,
+	&dev_attr_cal_gyro_left_status.attr,
+	&dev_attr_cal_joy_left.attr,
+	&dev_attr_cal_joy_left_index.attr,
+	&dev_attr_cal_joy_left_status.attr,
+	&dev_attr_cal_trigg_left.attr,
+	&dev_attr_cal_trigg_left_index.attr,
+	&dev_attr_cal_trigg_left_status.attr,
+	&dev_attr_imu_bypass_left.attr,
+	&dev_attr_imu_bypass_left_index.attr,
+	&dev_attr_imu_enabled_left.attr,
+	&dev_attr_imu_enabled_left_index.attr,
+	&dev_attr_reset_left.attr,
+	&dev_attr_rumble_mode_left.attr,
+	&dev_attr_rumble_mode_left_index.attr,
+	&dev_attr_rumble_notification_left.attr,
+	&dev_attr_rumble_notification_left_index.attr,
+	&dev_attr_version_hardware_left.attr,
+	&dev_attr_version_firmware_left.attr,
+	&dev_attr_version_gen_left.attr,
+	&dev_attr_version_product_left.attr,
+	&dev_attr_version_protocol_left.attr,
+	NULL,
+};
+
+static const struct attribute_group left_gamepad_attr_group = {
+	.name = "left_handle",
+	.attrs = left_gamepad_attrs,
+};
+
+/* Gamepad - Right */
+static struct go_cfg_attr version_product_right = { PRODUCT_VERSION };
+LEGO_DEVICE_ATTR_RO(version_product_right, "product_version", RIGHT_CONTROLLER, version);
+
+static struct go_cfg_attr version_protocol_right = { PROTOCOL_VERSION };
+LEGO_DEVICE_ATTR_RO(version_protocol_right, "protocol_version", RIGHT_CONTROLLER, version);
+
+static struct go_cfg_attr version_firmware_right = { FIRMWARE_VERSION };
+LEGO_DEVICE_ATTR_RO(version_firmware_right, "firmware_version", RIGHT_CONTROLLER, version);
+
+static struct go_cfg_attr version_hardware_right = { HARDWARE_VERSION };
+LEGO_DEVICE_ATTR_RO(version_hardware_right, "hardware_version", RIGHT_CONTROLLER, version);
+
+static struct go_cfg_attr version_gen_right = { HARDWARE_GENERATION };
+LEGO_DEVICE_ATTR_RO(version_gen_right, "hardware_generation", RIGHT_CONTROLLER, version);
+
+static struct go_cfg_attr auto_sleep_time_right = { FEATURE_AUTO_SLEEP_TIME };
+LEGO_DEVICE_ATTR_RW(auto_sleep_time_right, "auto_sleep_time", RIGHT_CONTROLLER,
+		    range, feature_status);
+static DEVICE_ATTR_RO_NAMED(auto_sleep_time_right_range,
+			    "auto_sleep_time_range");
+
+static struct go_cfg_attr imu_bypass_right = { FEATURE_IMU_BYPASS };
+LEGO_DEVICE_ATTR_RW(imu_bypass_right, "imu_bypass_enabled", RIGHT_CONTROLLER,
+		    index, feature_status);
+static DEVICE_ATTR_RO_NAMED(imu_bypass_right_index, "imu_bypass_enabled_index");
+
+static struct go_cfg_attr imu_enabled_right = { FEATURE_IMU_BYPASS };
+LEGO_DEVICE_ATTR_RW(imu_enabled_right, "imu_enabled", RIGHT_CONTROLLER, index,
+		    feature_status);
+static DEVICE_ATTR_RO_NAMED(imu_enabled_right_index, "imu_enabled_index");
+
+static struct go_cfg_attr reset_right = { FEATURE_RESET_GAMEPAD };
+LEGO_DEVICE_ATTR_WO(reset_right, "reset", LEFT_CONTROLLER, feature_status);
+
+static struct go_cfg_attr rumble_mode_right = { RUMBLE_MODE };
+LEGO_DEVICE_ATTR_RW(rumble_mode_right, "rumble_mode", RIGHT_CONTROLLER, index,
+		    motor_config);
+static DEVICE_ATTR_RO_NAMED(rumble_mode_right_index, "rumble_mode_index");
+
+static struct go_cfg_attr rumble_notification_right = { VIBRATION_NOTIFY_ENABLE };
+LEGO_DEVICE_ATTR_RW(rumble_notification_right, "rumble_notification",
+		    RIGHT_CONTROLLER, index, motor_config);
+static DEVICE_ATTR_RO_NAMED(rumble_notification_right_index,
+			    "rumble_notification_index");
+
+static struct go_cfg_attr cal_trigg_right = { TRIGGER_CALIBRATE };
+LEGO_CAL_DEVICE_ATTR(cal_trigg_right, "calibrate_trigger", SET_TRIGGER_CFG,
+		     RIGHT_CONTROLLER, index);
+static DEVICE_ATTR_RO_NAMED(cal_trigg_right_index, "calibrate_trigger_index");
+
+static struct go_cfg_attr cal_joy_right = { JOYSTICK_CALIBRATE };
+LEGO_CAL_DEVICE_ATTR(cal_joy_right, "calibrate_joystick", SET_JOYSTICK_CFG,
+		     RIGHT_CONTROLLER, index);
+static DEVICE_ATTR_RO_NAMED(cal_joy_right_index, "calibrate_joystick_index");
+
+static struct go_cfg_attr cal_gyro_right = { GYRO_CALIBRATE };
+LEGO_CAL_DEVICE_ATTR(cal_gyro_right, "calibrate_gyro", SET_GYRO_CFG,
+		     RIGHT_CONTROLLER, index);
+static DEVICE_ATTR_RO_NAMED(cal_gyro_right_index, "calibrate_gyro_index");
+
+static struct go_cfg_attr cal_trigg_right_status = { GET_CAL_STATUS };
+LEGO_DEVICE_STATUS_ATTR(cal_trigg_right_status, "calibrate_trigger_status",
+			RIGHT_CONTROLLER, CALDEV_TRIGGER);
+
+static struct go_cfg_attr cal_joy_right_status = { GET_CAL_STATUS };
+LEGO_DEVICE_STATUS_ATTR(cal_joy_right_status, "calibrate_joystick_status",
+			RIGHT_CONTROLLER, CALDEV_JOYSTICK);
+
+static struct go_cfg_attr cal_gyro_right_status = { GET_CAL_STATUS };
+LEGO_DEVICE_STATUS_ATTR(cal_gyro_right_status, "calibrate_gyro_status",
+			RIGHT_CONTROLLER, CALDEV_GYROSCOPE);
+
+static struct attribute *right_gamepad_attrs[] = {
+	&dev_attr_auto_sleep_time_right.attr,
+	&dev_attr_auto_sleep_time_right_range.attr,
+	&dev_attr_cal_gyro_right.attr,
+	&dev_attr_cal_gyro_right_index.attr,
+	&dev_attr_cal_gyro_right_status.attr,
+	&dev_attr_cal_joy_right.attr,
+	&dev_attr_cal_joy_right_index.attr,
+	&dev_attr_cal_joy_right_status.attr,
+	&dev_attr_cal_trigg_right.attr,
+	&dev_attr_cal_trigg_right_index.attr,
+	&dev_attr_cal_trigg_right_status.attr,
+	&dev_attr_imu_bypass_right.attr,
+	&dev_attr_imu_bypass_right_index.attr,
+	&dev_attr_imu_enabled_right.attr,
+	&dev_attr_imu_enabled_right_index.attr,
+	&dev_attr_reset_right.attr,
+	&dev_attr_rumble_mode_right.attr,
+	&dev_attr_rumble_mode_right_index.attr,
+	&dev_attr_rumble_notification_right.attr,
+	&dev_attr_rumble_notification_right_index.attr,
+	&dev_attr_version_hardware_right.attr,
+	&dev_attr_version_firmware_right.attr,
+	&dev_attr_version_gen_right.attr,
+	&dev_attr_version_product_right.attr,
+	&dev_attr_version_protocol_right.attr,
+	NULL,
+};
+
+static const struct attribute_group right_gamepad_attr_group = {
+	.name = "right_handle",
+	.attrs = right_gamepad_attrs,
+};
+
+/* Touchpad */
+static struct go_cfg_attr touchpad_enabled = { FEATURE_TOUCHPAD_ENABLE };
+LEGO_DEVICE_ATTR_RW(touchpad_enabled, "enabled", UNSPECIFIED, index,
+		    feature_status);
+static DEVICE_ATTR_RO_NAMED(touchpad_enabled_index, "enabled_index");
+
+static struct go_cfg_attr touchpad_vibration_enabled = { TP_VIBRATION_ENABLE };
+LEGO_DEVICE_ATTR_RW(touchpad_vibration_enabled, "vibration_enabled", UNSPECIFIED,
+		    index, motor_config);
+static DEVICE_ATTR_RO_NAMED(touchpad_vibration_enabled_index,
+			    "vibration_enabled_index");
+
+static struct go_cfg_attr touchpad_vibration_intensity = { TP_VIBRATION_INTENSITY };
+LEGO_DEVICE_ATTR_RW(touchpad_vibration_intensity, "vibration_intensity",
+		    UNSPECIFIED, index, motor_config);
+static DEVICE_ATTR_RO_NAMED(touchpad_vibration_intensity_index,
+			    "vibration_intensity_index");
+
+static struct attribute *touchpad_attrs[] = {
+	&dev_attr_touchpad_enabled.attr,
+	&dev_attr_touchpad_enabled_index.attr,
+	&dev_attr_touchpad_vibration_enabled.attr,
+	&dev_attr_touchpad_vibration_enabled_index.attr,
+	&dev_attr_touchpad_vibration_intensity.attr,
+	&dev_attr_touchpad_vibration_intensity_index.attr,
+	NULL,
+};
+
+static const struct attribute_group touchpad_attr_group = {
+	.name = "touchpad",
+	.attrs = touchpad_attrs,
+};
+
+static const struct attribute_group *top_level_attr_groups[] = {
+	&mcu_attr_group,	  &tx_dongle_attr_group,
+	&left_gamepad_attr_group, &right_gamepad_attr_group,
+	&touchpad_attr_group,	  NULL,
+};
+
+/* RGB */
+static struct go_cfg_attr rgb_enabled = { FEATURE_LIGHT_ENABLE };
+
+LEGO_DEVICE_ATTR_RW(rgb_enabled, "enabled", UNSPECIFIED, index, feature_status);
+static DEVICE_ATTR_RO_NAMED(rgb_effect_index, "effect_index");
+static DEVICE_ATTR_RO_NAMED(rgb_enabled_index, "enabled_index");
+static DEVICE_ATTR_RO_NAMED(rgb_mode_index, "mode_index");
+static DEVICE_ATTR_RO_NAMED(rgb_profile_range, "profile_range");
+static DEVICE_ATTR_RO_NAMED(rgb_speed_range, "speed_range");
+static DEVICE_ATTR_RW_NAMED(rgb_effect, "effect");
+static DEVICE_ATTR_RW_NAMED(rgb_mode, "mode");
+static DEVICE_ATTR_RW_NAMED(rgb_profile, "profile");
+static DEVICE_ATTR_RW_NAMED(rgb_speed, "speed");
+
+static struct attribute *go_rgb_attrs[] = {
+	&dev_attr_rgb_effect.attr,
+	&dev_attr_rgb_effect_index.attr,
+	&dev_attr_rgb_enabled.attr,
+	&dev_attr_rgb_enabled_index.attr,
+	&dev_attr_rgb_mode.attr,
+	&dev_attr_rgb_mode_index.attr,
+	&dev_attr_rgb_profile.attr,
+	&dev_attr_rgb_profile_range.attr,
+	&dev_attr_rgb_speed.attr,
+	&dev_attr_rgb_speed_range.attr,
+	NULL,
+};
+
+static struct attribute_group rgb_attr_group = {
+	.attrs = go_rgb_attrs,
+};
+
+static struct mc_subled go_rgb_subled_info[] = {
+	{
+		.color_index = LED_COLOR_ID_RED,
+		.brightness = 0x50,
+		.intensity = 0x24,
+		.channel = 0x1,
+	},
+	{
+		.color_index = LED_COLOR_ID_GREEN,
+		.brightness = 0x50,
+		.intensity = 0x22,
+		.channel = 0x2,
+	},
+	{
+		.color_index = LED_COLOR_ID_BLUE,
+		.brightness = 0x50,
+		.intensity = 0x99,
+		.channel = 0x3,
+	},
+};
+
+static struct led_classdev_mc go_cdev_rgb = {
+	.led_cdev = {
+		.name = "go:rgb:joystick_rings",
+		.color = LED_COLOR_ID_RGB,
+		.brightness = 0x50,
+		.max_brightness = 0x64,
+		.brightness_set = hid_go_brightness_set,
+	},
+	.num_colors = ARRAY_SIZE(go_rgb_subled_info),
+	.subled_info = go_rgb_subled_info,
+};
+
+static void cfg_setup(struct work_struct *work)
+{
+	int ret;
+
+	/* MCU Version Attrs */
+	ret = mcu_property_out(drvdata.hdev, MCU_CONFIG_DATA, GET_VERSION_DATA,
+			       PRODUCT_VERSION, USB_MCU, NULL, 0);
+	if (ret < 0) {
+		dev_err(&drvdata.hdev->dev,
+			"Failed to retrieve USB_MCU Product Version: %i\n", ret);
+		return;
+	}
+
+	ret = mcu_property_out(drvdata.hdev, MCU_CONFIG_DATA, GET_VERSION_DATA,
+			       PROTOCOL_VERSION, USB_MCU, NULL, 0);
+	if (ret < 0) {
+		dev_err(&drvdata.hdev->dev,
+			"Failed to retrieve USB_MCU Protocol Version: %i\n", ret);
+		return;
+	}
+
+	ret = mcu_property_out(drvdata.hdev, MCU_CONFIG_DATA, GET_VERSION_DATA,
+			       FIRMWARE_VERSION, USB_MCU, NULL, 0);
+	if (ret < 0) {
+		dev_err(&drvdata.hdev->dev,
+			"Failed to retrieve USB_MCU Firmware Version: %i\n", ret);
+		return;
+	}
+
+	ret = mcu_property_out(drvdata.hdev, MCU_CONFIG_DATA, GET_VERSION_DATA,
+			       HARDWARE_VERSION, USB_MCU, NULL, 0);
+	if (ret < 0) {
+		dev_err(&drvdata.hdev->dev,
+			"Failed to retrieve USB_MCU Hardware Version: %i\n", ret);
+		return;
+	}
+
+	ret = mcu_property_out(drvdata.hdev, MCU_CONFIG_DATA, GET_VERSION_DATA,
+			       HARDWARE_GENERATION, USB_MCU, NULL, 0);
+	if (ret < 0) {
+		dev_err(&drvdata.hdev->dev,
+			"Failed to retrieve USB_MCU Hardware Generation: %i\n", ret);
+		return;
+	}
+
+	/* TX Dongle Version Attrs */
+	ret = mcu_property_out(drvdata.hdev, MCU_CONFIG_DATA, GET_VERSION_DATA,
+			       PRODUCT_VERSION, TX_DONGLE, NULL, 0);
+	if (ret < 0) {
+		dev_err(&drvdata.hdev->dev,
+			"Failed to retrieve TX_DONGLE Product Version: %i\n", ret);
+		return;
+	}
+
+	ret = mcu_property_out(drvdata.hdev, MCU_CONFIG_DATA, GET_VERSION_DATA,
+			       PROTOCOL_VERSION, TX_DONGLE, NULL, 0);
+	if (ret < 0) {
+		dev_err(&drvdata.hdev->dev,
+			"Failed to retrieve TX_DONGLE Protocol Version: %i\n", ret);
+		return;
+	}
+
+	ret = mcu_property_out(drvdata.hdev, MCU_CONFIG_DATA, GET_VERSION_DATA,
+			       FIRMWARE_VERSION, TX_DONGLE, NULL, 0);
+	if (ret < 0) {
+		dev_err(&drvdata.hdev->dev,
+			"Failed to retrieve TX_DONGLE Firmware Version: %i\n", ret);
+		return;
+	}
+
+	ret = mcu_property_out(drvdata.hdev, MCU_CONFIG_DATA, GET_VERSION_DATA,
+			       HARDWARE_VERSION, TX_DONGLE, NULL, 0);
+	if (ret < 0) {
+		dev_err(&drvdata.hdev->dev,
+			"Failed to retrieve TX_DONGLE Hardware Version: %i\n", ret);
+		return;
+	}
+
+	ret = mcu_property_out(drvdata.hdev, MCU_CONFIG_DATA, GET_VERSION_DATA,
+			       HARDWARE_GENERATION, TX_DONGLE, NULL, 0);
+	if (ret < 0) {
+		dev_err(&drvdata.hdev->dev,
+			"Failed to retrieve TX_DONGLE Hardware Generation: %i\n", ret);
+		return;
+	}
+
+	/* Left Handle Version Attrs */
+	ret = mcu_property_out(drvdata.hdev, MCU_CONFIG_DATA, GET_VERSION_DATA,
+			       PRODUCT_VERSION, LEFT_CONTROLLER, NULL, 0);
+	if (ret < 0) {
+		dev_err(&drvdata.hdev->dev,
+			"Failed to retrieve LEFT_CONTROLLER Product Version: %i\n", ret);
+		return;
+	}
+
+	ret = mcu_property_out(drvdata.hdev, MCU_CONFIG_DATA, GET_VERSION_DATA,
+			       PROTOCOL_VERSION, LEFT_CONTROLLER, NULL, 0);
+	if (ret < 0) {
+		dev_err(&drvdata.hdev->dev,
+			"Failed to retrieve LEFT_CONTROLLER Protocol Version: %i\n", ret);
+		return;
+	}
+
+	ret = mcu_property_out(drvdata.hdev, MCU_CONFIG_DATA, GET_VERSION_DATA,
+			       FIRMWARE_VERSION, LEFT_CONTROLLER, NULL, 0);
+	if (ret < 0) {
+		dev_err(&drvdata.hdev->dev,
+			"Failed to retrieve LEFT_CONTROLLER Firmware Version: %i\n", ret);
+		return;
+	}
+
+	ret = mcu_property_out(drvdata.hdev, MCU_CONFIG_DATA, GET_VERSION_DATA,
+			       HARDWARE_VERSION, LEFT_CONTROLLER, NULL, 0);
+	if (ret < 0) {
+		dev_err(&drvdata.hdev->dev,
+			"Failed to retrieve LEFT_CONTROLLER Hardware Version: %i\n", ret);
+		return;
+	}
+
+	ret = mcu_property_out(drvdata.hdev, MCU_CONFIG_DATA, GET_VERSION_DATA,
+			       HARDWARE_GENERATION, LEFT_CONTROLLER, NULL, 0);
+	if (ret < 0) {
+		dev_err(&drvdata.hdev->dev,
+			"Failed to retrieve LEFT_CONTROLLER Hardware Generation: %i\n", ret);
+		return;
+	}
+
+	/* Right Handle Version Attrs */
+	ret = mcu_property_out(drvdata.hdev, MCU_CONFIG_DATA, GET_VERSION_DATA,
+			       PRODUCT_VERSION, RIGHT_CONTROLLER, NULL, 0);
+	if (ret < 0) {
+		dev_err(&drvdata.hdev->dev,
+			"Failed to retrieve RIGHT_CONTROLLER Product Version: %i\n", ret);
+		return;
+	}
+
+	ret = mcu_property_out(drvdata.hdev, MCU_CONFIG_DATA, GET_VERSION_DATA,
+			       PROTOCOL_VERSION, RIGHT_CONTROLLER, NULL, 0);
+	if (ret < 0) {
+		dev_err(&drvdata.hdev->dev,
+			"Failed to retrieve RIGHT_CONTROLLER Protocol Version: %i\n", ret);
+		return;
+	}
+
+	ret = mcu_property_out(drvdata.hdev, MCU_CONFIG_DATA, GET_VERSION_DATA,
+			       FIRMWARE_VERSION, RIGHT_CONTROLLER, NULL, 0);
+	if (ret < 0) {
+		dev_err(&drvdata.hdev->dev,
+			"Failed to retrieve RIGHT_CONTROLLER Firmware Version: %i\n", ret);
+		return;
+	}
+
+	ret = mcu_property_out(drvdata.hdev, MCU_CONFIG_DATA, GET_VERSION_DATA,
+			       HARDWARE_VERSION, RIGHT_CONTROLLER, NULL, 0);
+	if (ret < 0) {
+		dev_err(&drvdata.hdev->dev,
+			"Failed to retrieve RIGHT_CONTROLLER Hardware Version: %i\n", ret);
+		return;
+	}
+
+	ret = mcu_property_out(drvdata.hdev, MCU_CONFIG_DATA, GET_VERSION_DATA,
+			       HARDWARE_GENERATION, RIGHT_CONTROLLER, NULL, 0);
+	if (ret < 0) {
+		dev_err(&drvdata.hdev->dev,
+			"Failed to retrieve RIGHT_CONTROLLER Hardware Generation: %i\n", ret);
+		return;
+	}
+}
+
+static int hid_go_cfg_probe(struct hid_device *hdev,
+			    const struct hid_device_id *_id)
+{
+	unsigned char *buf;
+	int ret;
+
+	buf = devm_kzalloc(&hdev->dev, GO_PACKET_SIZE, GFP_KERNEL);
+	if (!buf)
+		return -ENOMEM;
+
+	hid_set_drvdata(hdev, &drvdata);
+	drvdata.hdev = hdev;
+	mutex_init(&drvdata.cfg_mutex);
+
+	ret = sysfs_create_groups(&hdev->dev.kobj, top_level_attr_groups);
+	if (ret) {
+		dev_err_probe(&hdev->dev, ret,
+			      "Failed to create gamepad configuration attributes\n");
+		return ret;
+	}
+
+	ret = devm_led_classdev_multicolor_register(&hdev->dev, &go_cdev_rgb);
+	if (ret) {
+		dev_err_probe(&hdev->dev, ret, "Failed to create RGB device\n");
+		return ret;
+	}
+
+	ret = devm_device_add_group(go_cdev_rgb.led_cdev.dev, &rgb_attr_group);
+	if (ret) {
+		dev_err_probe(&hdev->dev, ret,
+			      "Failed to create RGB configuration attributes\n");
+		return ret;
+	}
+
+	drvdata.led_cdev = &go_cdev_rgb.led_cdev;
+
+	init_completion(&drvdata.send_cmd_complete);
+
+	/* Executing calls prior to returning from probe will lock the MCU. Schedule
+	 * initial data call after probe has completed and MCU can accept calls.
+	 */
+	INIT_DELAYED_WORK(&drvdata.go_cfg_setup, &cfg_setup);
+	ret = schedule_delayed_work(&drvdata.go_cfg_setup, msecs_to_jiffies(2));
+	if (!ret) {
+		dev_err(&hdev->dev,
+			"Failed to schedule startup delayed work\n");
+		return -ENODEV;
+	}
+	return 0;
+}
+
+static void hid_go_cfg_remove(struct hid_device *hdev)
+{
+	guard(mutex)(&drvdata.cfg_mutex);
+	sysfs_remove_groups(&hdev->dev.kobj, top_level_attr_groups);
+	hid_hw_close(hdev);
+	hid_hw_stop(hdev);
+	hid_set_drvdata(hdev, NULL);
+}
+
+static int hid_go_probe(struct hid_device *hdev, const struct hid_device_id *id)
+{
+	int ret, ep;
+
+	hdev->quirks |= HID_QUIRK_INPUT_PER_APP | HID_QUIRK_MULTI_INPUT;
+
+	ret = hid_parse(hdev);
+	if (ret) {
+		hid_err(hdev, "Parse failed\n");
+		return ret;
+	}
+
+	ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
+	if (ret) {
+		hid_err(hdev, "Failed to start HID device\n");
+		return ret;
+	}
+
+	ret = hid_hw_open(hdev);
+	if (ret) {
+		hid_err(hdev, "Failed to open HID device\n");
+		hid_hw_stop(hdev);
+		return ret;
+	}
+
+	ep = get_endpoint_address(hdev);
+	if (ep != GO_GP_INTF_IN) {
+		dev_dbg(&hdev->dev, "Started interface %x as generic HID device\n", ep);
+		return 0;
+	}
+
+	ret = hid_go_cfg_probe(hdev, id);
+	if (ret)
+		dev_err_probe(&hdev->dev, ret, "Failed to start configuration interface\n");
+
+	dev_dbg(&hdev->dev, "Started Legion Go HID Device: %x\n", ep);
+
+	return ret;
+}
+
+static void hid_go_remove(struct hid_device *hdev)
+{
+	int ep = get_endpoint_address(hdev);
+
+	if (ep <= 0)
+		return;
+
+	switch (ep) {
+	case GO_GP_INTF_IN:
+		hid_go_cfg_remove(hdev);
+		break;
+	default:
+		hid_hw_close(hdev);
+		hid_hw_stop(hdev);
+		break;
+	}
+}
+
+static const struct hid_device_id hid_go_devices[] = {
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LENOVO,
+			 USB_DEVICE_ID_LENOVO_LEGION_GO2_XINPUT) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LENOVO,
+			 USB_DEVICE_ID_LENOVO_LEGION_GO2_DINPUT) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LENOVO,
+			 USB_DEVICE_ID_LENOVO_LEGION_GO2_DUAL_DINPUT) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LENOVO,
+			 USB_DEVICE_ID_LENOVO_LEGION_GO2_FPS) },
+	{}
+};
+MODULE_DEVICE_TABLE(hid, hid_go_devices);
+
+static struct hid_driver hid_lenovo_go = {
+	.name = "hid-lenovo-go",
+	.id_table = hid_go_devices,
+	.probe = hid_go_probe,
+	.remove = hid_go_remove,
+	.raw_event = hid_go_raw_event,
+};
+module_hid_driver(hid_lenovo_go);
+
+MODULE_AUTHOR("Derek J. Clark");
+MODULE_DESCRIPTION("HID Driver for Lenovo Legion Go Series Gamepads.");
+MODULE_LICENSE("GPL");
diff --git a/include/linux/device.h b/include/linux/device.h
index e65d564f01cd..d2e6d340f6e3 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -190,6 +190,22 @@ ssize_t device_show_string(struct device *dev, struct device_attribute *attr,
 	struct device_attribute dev_attr_##_name = __ATTR_RW_MODE(_name, 0600)
 
 /**
+ * DEVICE_ATTR_RW_NAMED - Define a read-write device attribute with a sysfs name
+ * that differs from the function name.
+ * @_name: Attribute function preface
+ * @_attrname: Attribute name as it wil be exposed in the sysfs.
+ *
+ * Like DEVICE_ATTR_RW(), but allows for reusing names under separate paths in
+ * the same driver.
+ */
+#define DEVICE_ATTR_RW_NAMED(_name, _attrname)                            \
+	struct device_attribute dev_attr_##_name = {                      \
+		.attr = { .name = _attrname, .mode = 0644 }, \
+		.show = _name##_show,                                     \
+		.store = _name##_store,                                   \
+	}
+
+/**
  * DEVICE_ATTR_RO - Define a readable device attribute.
  * @_name: Attribute name.
  *
@@ -208,6 +224,21 @@ ssize_t device_show_string(struct device *dev, struct device_attribute *attr,
 	struct device_attribute dev_attr_##_name = __ATTR_RO_MODE(_name, 0400)
 
 /**
+ * DEVICE_ATTR_RO_NAMED - Define a read-only device attribute with a sysfs name
+ * that differs from the function name.
+ * @_name: Attribute function preface
+ * @_attrname: Attribute name as it wil be exposed in the sysfs.
+ *
+ * Like DEVICE_ATTR_RO(), but allows for reusing names under separate paths in
+ * the same driver.
+ */
+#define DEVICE_ATTR_RO_NAMED(_name, _attrname)                            \
+	struct device_attribute dev_attr_##_name = {                      \
+		.attr = { .name = _attrname, .mode = 0444 }, \
+		.show = _name##_show,                                     \
+	}
+
+/**
  * DEVICE_ATTR_WO - Define an admin-only writable device attribute.
  * @_name: Attribute name.
  *
@@ -217,6 +248,21 @@ ssize_t device_show_string(struct device *dev, struct device_attribute *attr,
 	struct device_attribute dev_attr_##_name = __ATTR_WO(_name)
 
 /**
+ * DEVICE_ATTR_WO_NAMED - Define a read-only device attribute with a sysfs name
+ * that differs from the function name.
+ * @_name: Attribute function preface
+ * @_attrname: Attribute name as it wil be exposed in the sysfs.
+ *
+ * Like DEVICE_ATTR_WO(), but allows for reusing names under separate paths in
+ * the same driver.
+ */
+#define DEVICE_ATTR_WO_NAMED(_name, _attrname)                            \
+	struct device_attribute dev_attr_##_name = {                      \
+		.attr = { .name = _attrname, .mode = 0200 }, \
+		.store = _name##_store,                                   \
+	}
+
+/**
  * DEVICE_ULONG_ATTR - Define a device attribute backed by an unsigned long.
  * @_name: Attribute name.
  * @_mode: File mode.
diff --git a/include/linux/hid.h b/include/linux/hid.h
index fb1a3f3ad9fa..442a80d79e89 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -721,6 +721,7 @@ struct hid_device {
 	char name[128];							/* Device name */
 	char phys[64];							/* Device physical location */
 	char uniq[64];							/* Device unique identifier (serial #) */
+	u64 firmware_version;						/* Firmware version */
 
 	void *driver_data;