ASoC: Add regmap as a control type

Allow drivers to set up their own regmap API structures. This is mainly
useful with MFDs where the core driver will have set up regmap at the
minute, though it may make sense to push the existing regmap setup out
of the core into the drivers.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>

2 files changed, 5 insertions, 0 deletions

diff --git a/include/sound/soc.h b/include/sound/soc.h
index 4d04b4b86aa1..d02269437de3 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -261,6 +261,7 @@ extern struct snd_ac97_bus_ops soc_ac97_ops;
 enum snd_soc_control_type {
 	SND_SOC_I2C = 1,
 	SND_SOC_SPI,
+	SND_SOC_REGMAP,
 };
 
 enum snd_soc_compress_type {
diff --git a/sound/soc/soc-io.c b/sound/soc/soc-io.c
index b56e1c4bb9e6..e471ed667fe9 100644
--- a/sound/soc/soc-io.c
+++ b/sound/soc/soc-io.c
@@ -132,6 +132,10 @@ int snd_soc_codec_set_cache_io(struct snd_soc_codec *codec,
 						      &config);
 		break;
 
+	case SND_SOC_REGMAP:
+		/* Device has made its own regmap arrangements */
+		break;
+
 	default:
 		return -EINVAL;
 	}