X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Flinux%2Fgpio_keys.h;h=a7e977ff4abf060190118884b8a107c826c78feb;hb=a385ec4f11bdcf81af094c03e2444ee9b7fad2e5;hp=004ff33ab38e4dc3e2135f01ebe6b0d84fbb1529;hpb=e22057c8599373e5caef0bc42bdb95d2a361ab0d;p=firefly-linux-kernel-4.4.55.git

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 {