[PATCH v3 2/9] ASoC: tas2552: Add control for selecting DIN source

[Peter Ujfalusi <peter.ujfalusi@ti.com>]

'DIN source' enum can be used to select the DIN Source (muted, left, right
or average of left and right channels).

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
---
 sound/soc/codecs/tas2552.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/sound/soc/codecs/tas2552.c b/sound/soc/codecs/tas2552.c
index 0ca55aaeaaf2..067ea6e5e521 100644
--- a/sound/soc/codecs/tas2552.c
+++ b/sound/soc/codecs/tas2552.c
@@ -553,9 +553,20 @@ static struct snd_soc_dai_driver tas2552_dai[] = {
  */
 static DECLARE_TLV_DB_SCALE(dac_tlv, -7, 100, 0);
 
+static const char * const tas2552_din_source_select[] = {
+	"Muted",
+	"Left",
+	"Right",
+	"Left + Right average",
+};
+static SOC_ENUM_SINGLE_DECL(tas2552_din_source_enum,
+			    TAS2552_CFG_3, 3,
+			    tas2552_din_source_select);
+
 static const struct snd_kcontrol_new tas2552_snd_controls[] = {
 	SOC_SINGLE_TLV("Speaker Driver Playback Volume",
 			 TAS2552_PGA_GAIN, 0, 0x1f, 0, dac_tlv),
+	SOC_ENUM("DIN source", tas2552_din_source_enum),
 };
 
 static int tas2552_codec_probe(struct snd_soc_codec *codec)
-- 
2.4.2