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authorKalle Kankare <kalle.kankare@vincit.fi>2016-07-12 10:41:18 +0200
committerMark Brown <broonie@kernel.org>2016-07-12 10:00:44 +0100
commit0593d4612146dc16ff6bd23423bdd434dd7b8c7b (patch)
treec0a46dffe78548ca3adc819711baa03cb7e8a11e /sound/soc/codecs/sgtl5000.c
parent8419caa7270291e26f8b34b12b29680586c85d30 (diff)
sgtl5000: add Lineout volume control
This controls the volume for the line out pins of SGTL5000. Signed-off-by: Fabien Lahoudere <fabien.lahoudere@collabora.co.uk> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/codecs/sgtl5000.c')
-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 */