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author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-07-10 19:22:48 +0300 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-07-10 19:22:48 +0300 |
commit | a91ab911df51ac364e594d5950ed508d91091498 (patch) | |
tree | 035d64bd871f752b74f9e8128244311e702d95d4 /include/linux/platform_data | |
parent | af3c8d98508d37541d4bf57f13a984a7f73a328c (diff) | |
parent | 837c194a4dfedd69ddbd5a586401380190776f48 (diff) | |
download | linux-a91ab911df51ac364e594d5950ed508d91091498.tar.xz |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
Pull HID updates from Jiri Kosina:
- open/close tracking improvements from Dmitry Torokhov
- battery support improvements in Wacom driver from Jason Gerecke
- Win8 support fixes from Benjamin Tissories and Hans de Geode
- misc fixes to Intel-ISH driver from Arnd Bergmann
- support for quite a few new devices and small assorted fixes here and
there
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (35 commits)
HID: intel-ish-hid: Enable Gemini Lake ish driver
HID: intel-ish-hid: Enable Cannon Lake ish driver
HID: wacom: fix mistake in printk
HID: multitouch: optimize the sticky fingers timer
HID: multitouch: fix rare Win 8 cases when the touch up event gets missing
HID: multitouch: use BIT macro
HID: Add driver for Retrode2 joypad adapter
HID: multitouch: Add support for Google Rose Touchpad
HID: multitouch: Support PTP Stick and Touchpad device
HID: core: don't use negative operands when shift
HID: apple: Use country code to detect ISO keyboards
HID: remove no longer used hid->open field
greybus: hid: remove custom locking from gb_hid_open/close
HID: usbhid: remove custom locking from usbhid_open/close
HID: i2c-hid: remove custom locking from i2c_hid_open/close
HID: serialize hid_hw_open and hid_hw_close
HID: usbhid: do not rely on hid->open when deciding to do IO
HID: hiddev: use hid_hw_power instead of usbhid_get/put_power
HID: hiddev: use hid_hw_open/close instead of usbhid_open/close
HID: asus: Add support for Zen AiO MD-5110 keyboard
...
Diffstat (limited to 'include/linux/platform_data')
-rw-r--r-- | include/linux/platform_data/i2c-hid.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/include/linux/platform_data/i2c-hid.h b/include/linux/platform_data/i2c-hid.h new file mode 100644 index 000000000000..1fb088239d12 --- /dev/null +++ b/include/linux/platform_data/i2c-hid.h @@ -0,0 +1,42 @@ +/* + * HID over I2C protocol implementation + * + * Copyright (c) 2012 Benjamin Tissoires <benjamin.tissoires@gmail.com> + * Copyright (c) 2012 Ecole Nationale de l'Aviation Civile, France + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive for + * more details. + */ + +#ifndef __LINUX_I2C_HID_H +#define __LINUX_I2C_HID_H + +#include <linux/types.h> + +struct regulator; + +/** + * struct i2chid_platform_data - used by hid over i2c implementation. + * @hid_descriptor_address: i2c register where the HID descriptor is stored. + * @supply: regulator for powering on the device. + * @post_power_delay_ms: delay after powering on before device is usable. + * + * Note that it is the responsibility of the platform driver (or the acpi 5.0 + * driver, or the flattened device tree) to setup the irq related to the gpio in + * the struct i2c_board_info. + * The platform driver should also setup the gpio according to the device: + * + * A typical example is the following: + * irq = gpio_to_irq(intr_gpio); + * hkdk4412_i2c_devs5[0].irq = irq; // store the irq in i2c_board_info + * gpio_request(intr_gpio, "elan-irq"); + * s3c_gpio_setpull(intr_gpio, S3C_GPIO_PULL_UP); + */ +struct i2c_hid_platform_data { + u16 hid_descriptor_address; + struct regulator *supply; + int post_power_delay_ms; +}; + +#endif /* __LINUX_I2C_HID_H */ |