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Input: add regulator haptic driver

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This change adds support for haptic driver controlled by voltage of a
regulator. Userspace can control the device via Force Feedback interface
from input framework.

Signed-off-by: Jaewon Kim <jaewon02.kim@samsung.com>
Signed-off-by: Hyunhee Kim <hyunhee.kim@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Tested-by: Chanwoo Choi <cw00.choi@samsung.com>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Reviewed-by: Pankaj Dubey <pankaj.dubey@samsung.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Jaewon Kim
2014-12-17 10:31:08 -08:00
committed by Dmitry Torokhov
parent 27a560ba1d
commit d64cb71bed
5 changed files with 342 additions and 0 deletions
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29
include/linux/platform_data/regulator-haptic.h Normal file
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/*
* Regulator Haptic Platform Data
*
* Copyright (c) 2014 Samsung Electronics Co., Ltd.
* Author: Jaewon Kim <jaewon02.kim@samsung.com>
* Author: Hyunhee Kim <hyunhee.kim@samsung.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef _REGULATOR_HAPTIC_H
#define _REGULATOR_HAPTIC_H
/*
* struct regulator_haptic_data - Platform device data
*
* @max_volt: maximum voltage value supplied to the haptic motor.
* <The unit of the voltage is a micro>
* @min_volt: minimum voltage value supplied to the haptic motor.
* <The unit of the voltage is a micro>
*/
struct regulator_haptic_data {
unsigned int max_volt;
unsigned int min_volt;
};
#endif /* _REGULATOR_HAPTIC_H */