u-boot-brain/arch/arm/include/asm/arch-exynos/pwm_backlight.h
Donghwa Lee 6fff52b93a video: support exynos pwm backlight driver
This patch support exynos pwm backlight driver. It can control backlight
power and brightness by using pwm.

Signed-off-by: Donghwa Lee <dh09.lee@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
2012-09-01 14:58:24 +02:00

35 lines
1.0 KiB
C

/*
* Copyright (C) 2012 Samsung Electronics
*
* Author: Donghwa Lee <dh09.lee@samsung.com>
*
* 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; either version 2 of
* the License, or (at your option) any later version.
*
* 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 _PWM_BACKLIGHT_H_
#define _PWM_BACKLIGHT_H_
struct pwm_backlight_data {
int pwm_id;
int period;
int max_brightness;
int brightness;
};
extern int exynos_pwm_backlight_init(struct pwm_backlight_data *pd);
#endif /* _PWM_BACKLIGHT_H_ */