forked from len0rd/rockbox
43673e9e28
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30796 a1c6a512-1295-4272-9138-f99709370657
36 lines
1.5 KiB
C
36 lines
1.5 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2011 by Amaury Pouly
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#ifndef __IMX233_CODEC_H_
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#define __IMX233_CODEC_H_
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/* i.MX233 can boost up to 6dB in DAC mode and 12dB in line mode. Since mic/line
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* already have adjustable gain, keep lowest of both. With chained DAC volume
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* and headphone volume, the i.MX233 can achieve < -100dB but stay at -100dB. */
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#define VOLUME_MIN -1000
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#define VOLUME_MAX 60
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#define AUDIOHW_CAPS (DEPTH_3D_CAP | BASS_CAP | TREBLE_CAP)
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/* Work with half dB since the i.MX233 doesn't have a better resolution */
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int tenthdb2master(int tdb);
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void audiohw_set_headphone_vol(int vol_l, int vol_r);
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#endif /* __IMX233_CODEC_H_ */
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