Input: gpio_keys - add support for EV_ABS
With this patch you can setup a group of GPIOs representing a specific
position on an EV_ABS axis.
Signed-off-by: Alexander Stein <alexander.stein@informatik.tu-chemnitz.de>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/include/linux/gpio_keys.h b/include/linux/gpio_keys.h
index dd1a56f..3204edf 100644
--- a/include/linux/gpio_keys.h
+++ b/include/linux/gpio_keys.h
@@ -3,14 +3,15 @@
struct gpio_keys_button {
/* Configuration parameters */
- int code; /* input event code (KEY_*, SW_*) */
+ unsigned int code; /* input event code (KEY_*, SW_*) */
int gpio;
int active_low;
- char *desc;
- int type; /* input event type (EV_KEY, EV_SW) */
+ const char *desc;
+ unsigned int type; /* input event type (EV_KEY, EV_SW, EV_ABS) */
int wakeup; /* configure the button as a wake-up source */
int debounce_interval; /* debounce ticks interval in msecs */
bool can_disable;
+ int value; /* axis value for EV_ABS */
};
struct gpio_keys_platform_data {