A struct device parameter is used in the enable and disable callbacks to
distinguish between different gpio_keys devices.
Platforms that don't use these callbacks may not include struct device
at all, as seen on arch/arm/mach-s3c2410/mach-n30.c
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
#ifndef _GPIO_KEYS_H
#define _GPIO_KEYS_H
+struct device;
+
struct gpio_keys_button {
/* Configuration parameters */
unsigned int code; /* input event code (KEY_*, SW_*) */