mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-24 12:03:39 +00:00
f563dc1d19
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>
31 lines
674 B
C
31 lines
674 B
C
/*
|
|
* Copyright (c) 2016 Google, Inc
|
|
* Written by Simon Glass <sjg@chromium.org>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#ifndef _PANEL_H
|
|
#define _PANEL_H
|
|
|
|
struct panel_ops {
|
|
/**
|
|
* enable_backlight() - Enable the panel backlight
|
|
*
|
|
* @dev: Panel device containing the backlight to enable
|
|
* @return 0 if OK, -ve on error
|
|
*/
|
|
int (*enable_backlight)(struct udevice *dev);
|
|
};
|
|
|
|
#define panel_get_ops(dev) ((struct panel_ops *)(dev)->driver->ops)
|
|
|
|
/**
|
|
* panel_enable_backlight() - Enable the panel backlight
|
|
*
|
|
* @dev: Panel device containing the backlight to enable
|
|
* @return 0 if OK, -ve on error
|
|
*/
|
|
int panel_enable_backlight(struct udevice *dev);
|
|
|
|
#endif
|