u-boot/drivers/video/panel-uclass.c
Simon Glass f563dc1d19 dm: panel: Add a panel uclass
LCD panels can usefully be modelled as their own uclass. They can be probed
(which powers them up ready for use). If they have a backlight, this can be
enabled.

Signed-off-by: Simon Glass <sjg@chromium.org>
2016-01-21 20:42:36 -07:00

25 lines
435 B
C

/*
* Copyright (c) 2016 Google, Inc
* Written by Simon Glass <sjg@chromium.org>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#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);
}
UCLASS_DRIVER(panel) = {
.id = UCLASS_PANEL,
.name = "panel",
};