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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_H10#define _DT_BINDINGS_RT4831_BACKLIGHT_H11 12#define RT4831_BLOVPLVL_17V 013#define RT4831_BLOVPLVL_21V 114#define RT4831_BLOVPLVL_25V 215#define RT4831_BLOVPLVL_29V 316 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 */24