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The MAX9877 combines a high-efficiency Class D audio power amplifier with a stereo Class AB capacitor-less DirectDrive headphone amplifier. The max9877_add_controls() is called to register the MAX9877 specific controls on machine specific init() of the machine driver. The datasheet for the MAX9877 can find at the following url: http://datasheets.maxim-ic.com/en/ds/MAX9877.pdf [Slight edit to sort the ALL_CODECS entries -- broonie.] Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
38 lines
1014 B
C
38 lines
1014 B
C
/*
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* max9877.h -- amp driver for max9877
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*
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* Copyright (C) 2009 Samsung Electronics Co.Ltd
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* Author: Joonyoung Shim <jy0922.shim@samsung.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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*/
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#ifndef _MAX9877_H
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#define _MAX9877_H
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#define MAX9877_INPUT_MODE 0x00
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#define MAX9877_SPK_VOLUME 0x01
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#define MAX9877_HPL_VOLUME 0x02
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#define MAX9877_HPR_VOLUME 0x03
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#define MAX9877_OUTPUT_MODE 0x04
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/* MAX9877_INPUT_MODE */
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#define MAX9877_INB (1 << 4)
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#define MAX9877_INA (1 << 5)
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#define MAX9877_ZCD (1 << 6)
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/* MAX9877_OUTPUT_MODE */
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#define MAX9877_OUTMODE_MASK (15 << 0)
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#define MAX9877_OSC_MASK (3 << 4)
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#define MAX9877_OSC_OFFSET 4
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#define MAX9877_BYPASS (1 << 6)
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#define MAX9877_SHDN (1 << 7)
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extern int max9877_add_controls(struct snd_soc_codec *codec);
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#endif
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