Linux Audio

Check our new training course

Linux kernel drivers training

Mar 31-Apr 9, 2025, special US time zones
Register
Loading...
Note: File does not exist in v3.5.6.
 1/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
 2/*
 3 * This header provides constants for rt4831 backlight bindings.
 4 *
 5 * Copyright (C) 2020, Richtek Technology Corp.
 6 * Author: ChiYuan Huang <cy_huang@richtek.com>
 7 */
 8
 9#ifndef _DT_BINDINGS_RT4831_BACKLIGHT_H
10#define _DT_BINDINGS_RT4831_BACKLIGHT_H
11
12#define RT4831_BLOVPLVL_17V	0
13#define RT4831_BLOVPLVL_21V	1
14#define RT4831_BLOVPLVL_25V	2
15#define RT4831_BLOVPLVL_29V	3
16
17#define RT4831_BLED_CH1EN	(1 << 0)
18#define RT4831_BLED_CH2EN	(1 << 1)
19#define RT4831_BLED_CH3EN	(1 << 2)
20#define RT4831_BLED_CH4EN	(1 << 3)
21#define RT4831_BLED_ALLCHEN	((1 << 4) - 1)
22
23#endif /* _DT_BINDINGS_RT4831_BACKLIGHT_H */