[J-u-boot.git] / drivers / video / backlight-uclass.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * Copyright (c) 2016 Google, Inc
 * Written by Simon Glass <[email protected]>
 */

#include <common.h>
#include <dm.h>
#include <backlight.h>

int backlight_enable(struct udevice *dev)
{
	const struct backlight_ops *ops = backlight_get_ops(dev);

	if (!ops->enable)
		return -ENOSYS;

	return ops->enable(dev);
}

int backlight_set_brightness(struct udevice *dev, int percent)
{
	const struct backlight_ops *ops = backlight_get_ops(dev);

	if (!ops->set_brightness)
		return -ENOSYS;

	return ops->set_brightness(dev, percent);
}

UCLASS_DRIVER(backlight) = {
	.id		= UCLASS_PANEL_BACKLIGHT,
	.name		= "backlight",
};
Commit	Line	Data
83d290c5	1	// SPDX-License-Identifier: GPL-2.0+
363bf77a SG	2	/*
	3	* Copyright (c) 2016 Google, Inc
	4	* Written by Simon Glass <[email protected]>
363bf77a SG	5	*/
	6
	7	#include <common.h>
	8	#include <dm.h>
	9	#include <backlight.h>
	10
	11	int backlight_enable(struct udevice *dev)
	12	{
	13	const struct backlight_ops *ops = backlight_get_ops(dev);
	14
	15	if (!ops->enable)
	16	return -ENOSYS;
	17
	18	return ops->enable(dev);
	19	}
	20
a4f737a9 SG	21	int backlight_set_brightness(struct udevice *dev, int percent)
	22	{
	23	const struct backlight_ops *ops = backlight_get_ops(dev);
	24
	25	if (!ops->set_brightness)
	26	return -ENOSYS;
	27
	28	return ops->set_brightness(dev, percent);
	29	}
	30
363bf77a SG	31	UCLASS_DRIVER(backlight) = {
	32	.id = UCLASS_PANEL_BACKLIGHT,
	33	.name = "backlight",
	34	};