diff options
| author | Wolfram Sang <wsa@the-dreams.de> | 2017-05-21 16:30:33 -0400 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2017-05-22 08:00:31 -0400 |
| commit | 91b9ae48aadd7e634161372b0bc3ffc88a050e8b (patch) | |
| tree | 99dffd449a9405496bea34db20f56eaf9a44a1c6 /include/linux/platform_data | |
| parent | 7af4c727c7b6104f94f2ffc3d0899e75a9cc1e55 (diff) | |
HID: i2c-hid: move header file out of I2C realm
include/linux/i2c is not for client devices. Move the header file to a
more appropriate location.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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 @@ | |||
| 1 | /* | ||
| 2 | * HID over I2C protocol implementation | ||
| 3 | * | ||
| 4 | * Copyright (c) 2012 Benjamin Tissoires <benjamin.tissoires@gmail.com> | ||
| 5 | * Copyright (c) 2012 Ecole Nationale de l'Aviation Civile, France | ||
| 6 | * | ||
| 7 | * This file is subject to the terms and conditions of the GNU General Public | ||
| 8 | * License. See the file COPYING in the main directory of this archive for | ||
| 9 | * more details. | ||
| 10 | */ | ||
| 11 | |||
| 12 | #ifndef __LINUX_I2C_HID_H | ||
| 13 | #define __LINUX_I2C_HID_H | ||
| 14 | |||
| 15 | #include <linux/types.h> | ||
| 16 | |||
| 17 | struct regulator; | ||
| 18 | |||
| 19 | /** | ||
| 20 | * struct i2chid_platform_data - used by hid over i2c implementation. | ||
| 21 | * @hid_descriptor_address: i2c register where the HID descriptor is stored. | ||
| 22 | * @supply: regulator for powering on the device. | ||
| 23 | * @post_power_delay_ms: delay after powering on before device is usable. | ||
| 24 | * | ||
| 25 | * Note that it is the responsibility of the platform driver (or the acpi 5.0 | ||
| 26 | * driver, or the flattened device tree) to setup the irq related to the gpio in | ||
| 27 | * the struct i2c_board_info. | ||
| 28 | * The platform driver should also setup the gpio according to the device: | ||
| 29 | * | ||
| 30 | * A typical example is the following: | ||
| 31 | * irq = gpio_to_irq(intr_gpio); | ||
| 32 | * hkdk4412_i2c_devs5[0].irq = irq; // store the irq in i2c_board_info | ||
| 33 | * gpio_request(intr_gpio, "elan-irq"); | ||
| 34 | * s3c_gpio_setpull(intr_gpio, S3C_GPIO_PULL_UP); | ||
| 35 | */ | ||
| 36 | struct i2c_hid_platform_data { | ||
| 37 | u16 hid_descriptor_address; | ||
| 38 | struct regulator *supply; | ||
| 39 | int post_power_delay_ms; | ||
| 40 | }; | ||
| 41 | |||
| 42 | #endif /* __LINUX_I2C_HID_H */ | ||
