xref: /openbmc/u-boot/include/backlight.h (revision cf0bcd7d)
1 /*
2  * Copyright (c) 2016 Google, Inc
3  * Written by Simon Glass <sjg@chromium.org>
4  *
5  * SPDX-License-Identifier:	GPL-2.0+
6  */
7 
8 #ifndef _BACKLIGHT_H
9 #define _BACKLIGHT_H
10 
11 struct backlight_ops {
12 	/**
13 	 * enable() - Enable a backlight
14 	 *
15 	 * @dev:	Backlight device to enable
16 	 * @return 0 if OK, -ve on error
17 	 */
18 	int (*enable)(struct udevice *dev);
19 };
20 
21 #define backlight_get_ops(dev)	((struct backlight_ops *)(dev)->driver->ops)
22 
23 /**
24  * backlight_enable() - Enable a backlight
25  *
26  * @dev:	Backlight device to enable
27  * @return 0 if OK, -ve on error
28  */
29 int backlight_enable(struct udevice *dev);
30 
31 #endif
32