![Jeffy Chen](/assets/img/avatar_default.png)
Add support for specifying event actions to trigger wakeup when using the gpio-keys input device as a wakeup source. This would allow the device to configure when to wakeup the system. For example a gpio-keys input device for pen insert, may only want to wakeup the system when ejecting the pen. Suggested-by: Brian Norris <briannorris@chromium.org> Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
59 lines
1.7 KiB
C
59 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef _GPIO_KEYS_H
|
|
#define _GPIO_KEYS_H
|
|
|
|
struct device;
|
|
|
|
/**
|
|
* struct gpio_keys_button - configuration parameters
|
|
* @code: input event code (KEY_*, SW_*)
|
|
* @gpio: %-1 if this key does not support gpio
|
|
* @active_low: %true indicates that button is considered
|
|
* depressed when gpio is low
|
|
* @desc: label that will be attached to button's gpio
|
|
* @type: input event type (%EV_KEY, %EV_SW, %EV_ABS)
|
|
* @wakeup: configure the button as a wake-up source
|
|
* @wakeup_event_action: event action to trigger wakeup
|
|
* @debounce_interval: debounce ticks interval in msecs
|
|
* @can_disable: %true indicates that userspace is allowed to
|
|
* disable button via sysfs
|
|
* @value: axis value for %EV_ABS
|
|
* @irq: Irq number in case of interrupt keys
|
|
*/
|
|
struct gpio_keys_button {
|
|
unsigned int code;
|
|
int gpio;
|
|
int active_low;
|
|
const char *desc;
|
|
unsigned int type;
|
|
int wakeup;
|
|
int wakeup_event_action;
|
|
int debounce_interval;
|
|
bool can_disable;
|
|
int value;
|
|
unsigned int irq;
|
|
};
|
|
|
|
/**
|
|
* struct gpio_keys_platform_data - platform data for gpio_keys driver
|
|
* @buttons: pointer to array of &gpio_keys_button structures
|
|
* describing buttons attached to the device
|
|
* @nbuttons: number of elements in @buttons array
|
|
* @poll_interval: polling interval in msecs - for polling driver only
|
|
* @rep: enable input subsystem auto repeat
|
|
* @enable: platform hook for enabling the device
|
|
* @disable: platform hook for disabling the device
|
|
* @name: input device name
|
|
*/
|
|
struct gpio_keys_platform_data {
|
|
const struct gpio_keys_button *buttons;
|
|
int nbuttons;
|
|
unsigned int poll_interval;
|
|
unsigned int rep:1;
|
|
int (*enable)(struct device *dev);
|
|
void (*disable)(struct device *dev);
|
|
const char *name;
|
|
};
|
|
|
|
#endif
|