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ASoC: mxs-saif: add record function

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1. add different clkmux mode handling
SAIF can use two instances to implement full duplex (playback &
recording) and record saif may work on EXTMASTER mode which is
using other saif's BITCLK&LRCLK.

The clkmux mode could be set in pdata->init() in mach-specific code.
For generic saif driver, it only needs to know who is his master
and the master id is also provided in mach-specific code.

2. support playback and capture simutaneously however the sample
rates can not be different due to hw limitation.

Signed-off-by: Dong Aisheng <[email protected]>
Acked-by: Wolfram Sang <[email protected]>
Acked-by: Liam Girdwood <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
This commit is contained in:
Dong Aisheng 2011-09-07 20:51:50 +08:00 • committed by Mark Brown
commit 76067540c6
3 changed files with 151 additions and 14 deletions
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16
include/sound/saif.h Normal file
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/*
* Copyright 2011 Freescale Semiconductor, Inc. All Rights Reserved.
*
* 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 __SOUND_SAIF_H__
#define __SOUND_SAIF_H__
struct mxs_saif_platform_data {
int (*init) (void);
int (*get_master_id) (unsigned int saif_id);
};
#endif