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Diffstat (limited to 'include')
-rw-r--r--include/linux/gpio_keys.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/gpio_keys.h b/include/linux/gpio_keys.h
index d944b2ee3d3b..50f7ced738a4 100644
--- a/include/linux/gpio_keys.h
+++ b/include/linux/gpio_keys.h
@@ -4,7 +4,7 @@
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) */
@@ -12,6 +12,7 @@ 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 {