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Input: introduce lm8323 keypad driver

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lm8323 is the keypad driver used in n810 device.

[akpm@linux-foundation.org: coding-style fixes]
[dtor@mail.ru: various cleanups]
Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Reviewed-by: Trilok Soni <soni.trilok@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Felipe Balbi 2009-05-15 20:12:47 -07:00 • committed by Dmitry Torokhov
parent 535650fd70
commit a48b2d4a00
4 changed files with 937 additions and 1 deletions
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46
include/linux/i2c/lm8323.h Normal file
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/*
* lm8323.h - Configuration for LM8323 keypad driver.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation (version 2 of the License only).
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __LINUX_LM8323_H
#define __LINUX_LM8323_H
#include <linux/types.h>
/*
* Largest keycode that the chip can send, plus one,
* so keys can be mapped directly at the index of the
* LM8323 keycode instead of subtracting one.
*/
#define LM8323_KEYMAP_SIZE (0x7f + 1)
#define LM8323_NUM_PWMS 3
struct lm8323_platform_data {
int debounce_time; /* Time to watch for key bouncing, in ms. */
int active_time; /* Idle time until sleep, in ms. */
int size_x;
int size_y;
bool repeat;
const unsigned short *keymap;
const char *pwm_names[LM8323_NUM_PWMS];
const char *name; /* Device name. */
};
#endif /* __LINUX_LM8323_H */