include/linux/gpio_keys.h

   1 #ifndef _GPIO_KEYS_H
   2 #define _GPIO_KEYS_H
   3
   4 struct device;
   5
   6 struct gpio_keys_button {
   7         /* Configuration parameters */
   8         unsigned int code;      /* input event code (KEY_*, SW_*) */
   9         int gpio;
  10         int active_low;
  11         const char *desc;
  12         unsigned int type;      /* input event type (EV_KEY, EV_SW, EV_ABS) */
  13         int wakeup;             /* configure the button as a wake-up source */
  14         int debounce_interval;  /* debounce ticks interval in msecs */
  15         bool can_disable;
  16         int value;              /* axis value for EV_ABS */
  17 };
  18
  19 struct gpio_keys_platform_data {
  20         struct gpio_keys_button *buttons;
  21         int nbuttons;
  22         unsigned int poll_interval;     /* polling interval in msecs -
  23                                            for polling driver only */
  24         unsigned int rep:1;             /* enable input subsystem auto repeat */
  25         int (*enable)(struct device *dev);
  26         void (*disable)(struct device *dev);
  27         const char *name;               /* input device name */
  28 };
  29
  30 #endif