1/* 2 * Lantiq GPIO button support 3 * 4 * Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org> 5 * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> 6 * 7 * This program is free software; you can redistribute it and/or modify it 8 * under the terms of the GNU General Public License version 2 as published 9 * by the Free Software Foundation. 10 */ 11 12#ifndef _LANTIQ_DEV_GPIO_BUTTONS_H 13#define _LANTIQ_DEV_GPIO_BUTTONS_H 14 15#include <linux/input.h> 16#include <linux/gpio_keys.h> 17 18#define LTQ_KEYS_POLL_INTERVAL 20 /* msecs */ 19#define LTQ_KEYS_DEBOUNCE_INTERVAL (3 * LTQ_KEYS_POLL_INTERVAL) 20 21void ltq_register_gpio_keys_polled(int id, 22 unsigned poll_interval, 23 unsigned nbuttons, 24 struct gpio_keys_button *buttons); 25 26#endif /* _LANTIQ_DEV_GPIO_BUTTONS_H */ 27