diff options
Diffstat (limited to 'Documentation/input')
| -rw-r--r-- | Documentation/input/devices/edt-ft5x06.rst | 21 | ||||
| -rw-r--r-- | Documentation/input/gamepad.rst | 19 |
2 files changed, 35 insertions, 5 deletions
diff --git a/Documentation/input/devices/edt-ft5x06.rst b/Documentation/input/devices/edt-ft5x06.rst index 1ccc94b192b7..e410d73d4841 100644 --- a/Documentation/input/devices/edt-ft5x06.rst +++ b/Documentation/input/devices/edt-ft5x06.rst @@ -29,8 +29,25 @@ The driver allows configuration of the touch screen via a set of sysfs files: For debugging purposes the driver provides a few files in the debug -filesystem (if available in the kernel). In /sys/kernel/debug/edt_ft5x06 -you'll find the following files: +filesystem (if available in the kernel). They are located in: + + /sys/kernel/debug/i2c/<i2c-bus>/<i2c-device>/ + +If you don't know the bus and device numbers, you can look them up with this +command: + + $ ls -l /sys/bus/i2c/drivers/edt_ft5x06 + +The dereference of the symlink will contain the needed information. You will +need the last two elements of its path: + + 0-0038 -> ../../../../devices/platform/soc/fcfee800.i2c/i2c-0/0-0038 + +So in this case, the location for the debug files is: + + /sys/kernel/debug/i2c/i2c-0/0-0038/ + +There, you'll find the following files: num_x, num_y: (readonly) contains the number of sensor fields in X- and diff --git a/Documentation/input/gamepad.rst b/Documentation/input/gamepad.rst index eca17a7f5258..0c918b6f288b 100644 --- a/Documentation/input/gamepad.rst +++ b/Documentation/input/gamepad.rst @@ -190,8 +190,21 @@ Gamepads report the following events: Rumble is advertised as FF_RUMBLE. +- Grip buttons: + + Many pads include buttons on the rear, usually referred to as either grip or + rear buttons, or paddles. These are often reprogrammable by the firmware to + appear as "normal" buttons, but are sometimes exposed to software too. Some + notable examples of this are the Steam Deck, which has R4, R5, L4, and L5 on + the back; the Xbox Elite pads, which have P1-P4; and the Switch 2 Pro + Controller, which has GL and GR. + + For these controllers, BTN_GRIPR and BTN_GRIPR2 should be used for the top + and bottom (if present) right grip button(s), and BTN_GRIPL and BTN_GRIPL2 + should be used for the top and bottom (if present) left grip button(s). + - Profile: - Some pads provide a multi-value profile selection switch. An example is the - XBox Adaptive and the XBox Elite 2 controllers. When the active profile is - switched, its newly selected value is emitted as an ABS_PROFILE event. + Some pads provide a multi-value profile selection switch. Examples include + the Xbox Adaptive and the Xbox Elite 2 controllers. When the active profile + is switched, its newly selected value is emitted as an ABS_PROFILE event. |