u-boot/drivers/video/panel-uclass.c

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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (c) 2016 Google, Inc
* Written by Simon Glass <sjg@chromium.org>
*/
#define LOG_CATEGORY UCLASS_PANEL
#include <common.h>
#include <dm.h>
#include <panel.h>
int panel_enable_backlight(struct udevice *dev)
{
struct panel_ops *ops = panel_get_ops(dev);
if (!ops->enable_backlight)
return -ENOSYS;
return ops->enable_backlight(dev);
}
/**
* panel_set_backlight - Set brightness for the panel backlight
*
* @dev: Panel device containing the backlight to update
* @percent: Brightness value (0=off, 1=min brightness,
* 100=full brightness)
* @return 0 if OK, -ve on error
*/
int panel_set_backlight(struct udevice *dev, int percent)
{
struct panel_ops *ops = panel_get_ops(dev);
if (!ops->set_backlight)
return -ENOSYS;
return ops->set_backlight(dev, percent);
}
int panel_get_display_timing(struct udevice *dev,
struct display_timing *timings)
{
struct panel_ops *ops = panel_get_ops(dev);
if (!ops->get_display_timing)
return -ENOSYS;
return ops->get_display_timing(dev, timings);
}
UCLASS_DRIVER(panel) = {
.id = UCLASS_PANEL,
.name = "panel",
};