| 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 | |
| 21 | void 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 | |