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| author | Donghwa Lee <dh09.lee@samsung.com> | 2012-07-02 01:16:13 +0000 |
|---|---|---|
| committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2012-09-01 14:58:24 +0200 |
| commit | 6fff52b93a1abf3f3fdefd8ccc7dabf6eb4f2ca3 (patch) | |
| tree | ff76c998f215c0d042d349b9a813b19fe75a7c15 /arch/arm | |
| parent | a29c832263be57d218581ba4b1cb5e2820338383 (diff) | |
| download | u-boot-imx-6fff52b93a1abf3f3fdefd8ccc7dabf6eb4f2ca3.zip u-boot-imx-6fff52b93a1abf3f3fdefd8ccc7dabf6eb4f2ca3.tar.gz u-boot-imx-6fff52b93a1abf3f3fdefd8ccc7dabf6eb4f2ca3.tar.bz2 | |
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>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/include/asm/arch-exynos/pwm_backlight.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-exynos/pwm_backlight.h b/arch/arm/include/asm/arch-exynos/pwm_backlight.h new file mode 100644 index 0000000..368ffc5 --- /dev/null +++ b/arch/arm/include/asm/arch-exynos/pwm_backlight.h @@ -0,0 +1,34 @@ +/* + * 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_ */ |