| 1 | /* |
| 2 | * Definitions for the GPIO buttons interface driver |
| 3 | * |
| 4 | * Copyright (C) 2007-2010 Gabor Juhos <juhosg@openwrt.org> |
| 5 | * |
| 6 | * This file was based on: /include/linux/gpio_keys.h |
| 7 | * The original gpio_keys.h seems not to have a license. |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License version 2 as |
| 11 | * published by the Free Software Foundation. |
| 12 | * |
| 13 | */ |
| 14 | |
| 15 | #ifndef _GPIO_BUTTONS_H_ |
| 16 | #define _GPIO_BUTTONS_H_ |
| 17 | |
| 18 | struct gpio_button { |
| 19 | int gpio; /* GPIO line number */ |
| 20 | int active_low; |
| 21 | char *desc; /* button description */ |
| 22 | int type; /* input event type (EV_KEY, EV_SW) */ |
| 23 | int code; /* input event code (KEY_*, SW_*) */ |
| 24 | int threshold; /* count threshold */ |
| 25 | }; |
| 26 | |
| 27 | struct gpio_buttons_platform_data { |
| 28 | struct gpio_button *buttons; |
| 29 | int nbuttons; /* number of buttons */ |
| 30 | int poll_interval; /* polling interval */ |
| 31 | }; |
| 32 | |
| 33 | #endif /* _GPIO_BUTTONS_H_ */ |
| 34 | |
