target/linux/generic-2.6/files/include/linux/gpio_buttons.h

   1 /*
   2  *  Definitions for the GPIO buttons interface driver
   3  *
   4  *  Copyright (C) 2007,2008 Gabor Juhos <juhosg at 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     count;
  25         int     threshold;      /* count threshold */
  26 };
  27
  28 struct gpio_buttons_platform_data {
  29         struct gpio_button *buttons;
  30         int     nbuttons;               /* number of buttons */
  31         int     poll_interval;          /* polling interval */
  32 };
  33
  34 #endif /* _GPIO_BUTTONS_H_ */
  35