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>
diff --git a/include/sound/soc.h b/include/sound/soc.h
index 6424b10..f30f3fe 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -312,6 +312,10 @@
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 @@
/* 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 {