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backlight: Add GPIO-based backlight driver

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The GPIO backlight driver controls the backlight in on/off mode through
a single GPIO.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
This commit is contained in:
Laurent Pinchart
2013-07-04 21:13:24 +02:00
committed by Simon Horman
parent ad81f0545e
commit 8b770e3c98
4 changed files with 162 additions and 0 deletions
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21
include/linux/platform_data/gpio_backlight.h Normal file
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/*
* gpio_backlight.h - Simple GPIO-controlled backlight
*
* 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 __GPIO_BACKLIGHT_H__
#define __GPIO_BACKLIGHT_H__
struct device;
struct gpio_backlight_platform_data {
struct device *fbdev;
int gpio;
int def_value;
bool active_low;
const char *name;
};
#endif