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;               /* -1 if this key does not support 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         unsigned int irq;       /* Irq number in case of interrupt keys */
  18 };
  19
  20 struct gpio_keys_platform_data {
  21         struct gpio_keys_button *buttons;
  22         int nbuttons;
  23         unsigned int poll_interval;     /* polling interval in msecs -
  24                                            for polling driver only */
  25         unsigned int rep:1;             /* enable input subsystem auto repeat */
  26         int (*enable)(struct device *dev);
  27         void (*disable)(struct device *dev);
  28         const char *name;               /* input device name */
  29 };
  30
  31 #endif