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ASoC: core - Add platform read and write.

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In preparation for ASoC Dynamic PCM (AKA DSP) support.

Allow platform driver to perform IO. Intended for platform DAPM.

Signed-off-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Liam Girdwood
2011-07-04 11:10:15 +01:00
committed by Mark Brown
parent 469bb638dc
commit f1442bc1e9
2 changed files with 38 additions and 0 deletions
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8
include/sound/soc.h
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@ -312,6 +312,10 @@ int snd_soc_default_readable_register(struct snd_soc_codec *codec,
unsigned int reg);
int snd_soc_default_writable_register(struct snd_soc_codec *codec,
unsigned int reg);
int snd_soc_platform_read(struct snd_soc_platform *platform,
unsigned int reg);
int snd_soc_platform_write(struct snd_soc_platform *platform,
unsigned int reg, unsigned int val);
/* Utility functions to get clock rates from various things */
int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots);
@ -658,6 +662,10 @@ struct snd_soc_platform_driver {
/* probe ordering - for components with runtime dependencies */
int probe_order;
int remove_order;
/* platform IO - used for platform DAPM */
unsigned int (*read)(struct snd_soc_platform *, unsigned int);
int (*write)(struct snd_soc_platform *, unsigned int, unsigned int);
};
struct snd_soc_platform {