struct gpio_keys_button {
/* Configuration parameters */
unsigned int code; /* input event code (KEY_*, SW_*) */
- int gpio;
+ int gpio; /* -1 if this key does not support gpio */
int active_low;
const char *desc;
unsigned int type; /* input event type (EV_KEY, EV_SW, EV_ABS) */
int debounce_interval; /* debounce ticks interval in msecs */
bool can_disable;
int value; /* axis value for EV_ABS */
+ unsigned int irq; /* Irq number in case of interrupt keys */
};
struct gpio_keys_platform_data {