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authorLiam Girdwood <lrg@ti.com>2011-07-04 11:10:15 +0100
committerMark Brown <broonie@opensource.wolfsonmicro.com>2011-07-04 12:41:07 -0700
commitf1442bc1e9bd5ff4c2470d66075d066e535a2c86 (patch)
tree4042a6e01058d504cf8dba8484d32832547c33c3 /include/sound
parent469bb638dc2a6ea87ea56256f25cc964deb3cf2b (diff)
ASoC: core - Add platform read and write.
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>
Diffstat (limited to 'include/sound')
-rw-r--r--include/sound/soc.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/sound/soc.h b/include/sound/soc.h
index 6424b10ac29c..f30f3fe4a41b 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -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 {