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kernel add
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/*
* linux/sound/cs42l56.h -- Platform data for CS42L56
*
* Copyright (c) 2014 Cirrus Logic Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __CS42L56_H
#define __CS42L56_H
struct cs42l56_platform_data {
/* GPIO for Reset */
unsigned int gpio_nreset;
/* MICBIAS Level. Check datasheet Pg48 */
unsigned int micbias_lvl;
/* Analog Input 1A Reference 0=Single 1=Pseudo-Differential */
unsigned int ain1a_ref_cfg;
/* Analog Input 2A Reference 0=Single 1=Pseudo-Differential */
unsigned int ain2a_ref_cfg;
/* Analog Input 1B Reference 0=Single 1=Pseudo-Differential */
unsigned int ain1b_ref_cfg;
/* Analog Input 2B Reference 0=Single 1=Pseudo-Differential */
unsigned int ain2b_ref_cfg;
/* Charge Pump Freq. Check datasheet Pg62 */
unsigned int chgfreq;
/* HighPass Filter Right Channel Corner Frequency */
unsigned int hpfb_freq;
/* HighPass Filter Left Channel Corner Frequency */
unsigned int hpfa_freq;
/* Adaptive Power Control for LO/HP */
unsigned int adaptive_pwr;
};
#endif /* __CS42L56_H */
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