repo: https://github.com/u-boot/u-boot commit: d80bb749fab53da72c4a0e09b8c2d2aaa3103c91 Change-Id: Ie6434426e1ec15bc08bb1832798e371f3fd5fb29
37 lines
704 B
C
37 lines
704 B
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Copyright (c) 2016 Google, Inc
|
|
* Written by Simon Glass <sjg@chromium.org>
|
|
*/
|
|
|
|
#define LOG_CATEGORY UCLASS_PANEL_BACKLIGHT
|
|
|
|
#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",
|
|
};
|