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openwrt/target/linux/lantiq/files-3.3/arch/mips/include/asm/mach-lantiq/dev-gpio-buttons.h

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/*
* Lantiq GPIO button support
*
* Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
* Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*/
#ifndef _LANTIQ_DEV_GPIO_BUTTONS_H
#define _LANTIQ_DEV_GPIO_BUTTONS_H
#include <linux/input.h>
#include <linux/gpio_keys.h>
#define LTQ_KEYS_POLL_INTERVAL 20 /* msecs */
#define LTQ_KEYS_DEBOUNCE_INTERVAL (3 * LTQ_KEYS_POLL_INTERVAL)
void ltq_register_gpio_keys_polled(int id,
unsigned poll_interval,
unsigned nbuttons,
struct gpio_keys_button *buttons);
#endif /* _LANTIQ_DEV_GPIO_BUTTONS_H */