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>
diff --git a/include/sound/soc.h b/include/sound/soc.h
index 2f2a51f..4a11795 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -248,7 +248,7 @@
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 @@
/* 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);
