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kernel add
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/*
* TAS571x amplifier audio driver
*
* Copyright (C) 2015 Google, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#ifndef _TAS571X_H
#define _TAS571X_H
/* device registers */
#define TAS571X_SDI_REG 0x04
#define TAS571X_SDI_FMT_MASK 0x0f
#define TAS571X_SYS_CTRL_2_REG 0x05
#define TAS571X_SYS_CTRL_2_SDN_MASK 0x40
#define TAS571X_SOFT_MUTE_REG 0x06
#define TAS571X_SOFT_MUTE_CH1_SHIFT 0
#define TAS571X_SOFT_MUTE_CH2_SHIFT 1
#define TAS571X_SOFT_MUTE_CH3_SHIFT 2
#define TAS571X_MVOL_REG 0x07
#define TAS571X_CH1_VOL_REG 0x08
#define TAS571X_CH2_VOL_REG 0x09
#define TAS571X_OSC_TRIM_REG 0x1b
#endif /* _TAS571X_H */
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