1 files changed, 2 insertions, 1 deletions

diff --git a/include/linux/gpio_keys.h b/include/linux/gpio_keys.h
index 004ff33ab38e..a7e977ff4abf 100644
--- a/include/linux/gpio_keys.h
+++ b/include/linux/gpio_keys.h
@@ -6,7 +6,7 @@ struct device;
 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) */
@@ -14,6 +14,7 @@ struct gpio_keys_button {
         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 {