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#ifndef _GPIO_KEYS_H
#define _GPIO_KEYS_H
struct device;
struct gpio_desc;
/**
* 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
* @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
* @gpiod: GPIO descriptor
*/
struct gpio_keys_button {
unsigned int code;
int gpio;
int active_low;
const char *desc;
unsigned int type;
int wakeup;
int debounce_interval;
bool can_disable;
int value;
unsigned int irq;
struct gpio_desc *gpiod;
};
/**
* 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 {
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