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-rw-r--r--sound/soc/codecs/sgtl5000.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/sound/soc/codecs/sgtl5000.c b/sound/soc/codecs/sgtl5000.c
index 39a178a88b36..527b759c1562 100644
--- a/sound/soc/codecs/sgtl5000.c
+++ b/sound/soc/codecs/sgtl5000.c
@@ -385,6 +385,9 @@ static const DECLARE_TLV_DB_RANGE(mic_gain_tlv,
/* tlv for hp volume, -51.5db to 12.0db, step .5db */
static const DECLARE_TLV_DB_SCALE(headphone_volume, -5150, 50, 0);
+/* tlv for lineout volume, 31 steps of .5db each */
+static const DECLARE_TLV_DB_SCALE(lineout_volume, -1550, 50, 0);
+
static const struct snd_kcontrol_new sgtl5000_snd_controls[] = {
/* SOC_DOUBLE_S8_TLV with invert */
{
@@ -413,6 +416,13 @@ static const struct snd_kcontrol_new sgtl5000_snd_controls[] = {
SOC_SINGLE_TLV("Mic Volume", SGTL5000_CHIP_MIC_CTRL,
0, 3, 0, mic_gain_tlv),
+
+ SOC_DOUBLE_TLV("Lineout Playback Volume",
+ SGTL5000_CHIP_LINE_OUT_VOL,
+ SGTL5000_LINE_OUT_VOL_LEFT_SHIFT,
+ SGTL5000_LINE_OUT_VOL_RIGHT_SHIFT,
+ 0x1f, 1,
+ lineout_volume),
};
/* mute the codec used by alsa core */