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ASoC: Add control_type in snd_soc_codec 

This is mainly used by the soc-cache code to easily determine the
currently used underlying serial bus.  Set SND_SOC_CUSTOM to 1 so we
can distinguish it if it is not initialized or set.

Signed-off-by: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Dimitris Papastamos 2011-03-22 10:36:57 +00:00 committed by Mark Brown
parent 5fb609d435
commit 67850a892b
1 changed files with 2 additions and 1 deletions
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3
include/sound/soc.h
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@ -248,7 +248,7 @@ typedef int (*hw_write_t)(void *,const char* ,int);
extern struct snd_ac97_bus_ops soc_ac97_ops;
enum snd_soc_control_type {
SND_SOC_CUSTOM,
SND_SOC_CUSTOM = 1,
SND_SOC_I2C,
SND_SOC_SPI,
};
@ -539,6 +539,7 @@ struct snd_soc_codec {
/* codec IO */
void *control_data; /* codec control (i2c/3wire) data */
enum snd_soc_control_type control_type;
hw_write_t hw_write;
unsigned int (*hw_read)(struct snd_soc_codec *, unsigned int);
unsigned int (*read)(struct snd_soc_codec *, unsigned int);