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authorPeter Ujfalusi <peter.ujfalusi@nokia.com>2010-10-13 11:56:28 +0300
committerLiam Girdwood <lrg@slimlogic.co.uk>2010-10-13 11:40:47 +0100
commitcf4bb69884c8f6a5791e0e251f0b9dc5d32fc256 (patch)
treead40bf2f51ae7353edd6cb6ae3bbe66951996ea7 /sound
parentec588ae6c21ae20a22ce13a287728a220935b8ee (diff)
downloadlinux-cf4bb69884c8f6a5791e0e251f0b9dc5d32fc256.tar.bz2
ASoC: tlv320dac33: Control for line output gain
New control to select the line output gain. This gain control affects the linein-to-lineout and dac-to-loneout gain differently. Use enum type to select the desired gain combination. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@nokia.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/codecs/tlv320dac33.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/sound/soc/codecs/tlv320dac33.c b/sound/soc/codecs/tlv320dac33.c
index bf6d01f4a45a..58349dcd1a6e 100644
--- a/sound/soc/codecs/tlv320dac33.c
+++ b/sound/soc/codecs/tlv320dac33.c
@@ -524,6 +524,22 @@ static const struct soc_enum dac33_fifo_mode_enum =
SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(dac33_fifo_mode_texts),
dac33_fifo_mode_texts);
+/* L/R Line Output Gain */
+static const char *lr_lineout_gain_texts[] = {
+ "Line -12dB DAC 0dB", "Line -6dB DAC 6dB",
+ "Line 0dB DAC 12dB", "Line 6dB DAC 18dB",
+};
+
+static const struct soc_enum l_lineout_gain_enum =
+ SOC_ENUM_SINGLE(DAC33_LDAC_PWR_CTRL, 0,
+ ARRAY_SIZE(lr_lineout_gain_texts),
+ lr_lineout_gain_texts);
+
+static const struct soc_enum r_lineout_gain_enum =
+ SOC_ENUM_SINGLE(DAC33_RDAC_PWR_CTRL, 0,
+ ARRAY_SIZE(lr_lineout_gain_texts),
+ lr_lineout_gain_texts);
+
/*
* DACL/R digital volume control:
* from 0 dB to -63.5 in 0.5 dB steps
@@ -541,6 +557,8 @@ static const struct snd_kcontrol_new dac33_snd_controls[] = {
DAC33_LDAC_DIG_VOL_CTRL, DAC33_RDAC_DIG_VOL_CTRL, 7, 1, 1),
SOC_DOUBLE_R("Line to Line Out Volume",
DAC33_LINEL_TO_LLO_VOL, DAC33_LINER_TO_RLO_VOL, 0, 127, 1),
+ SOC_ENUM("Left Line Output Gain", l_lineout_gain_enum),
+ SOC_ENUM("Right Line Output Gain", r_lineout_gain_enum),
};
static const struct snd_kcontrol_new dac33_mode_snd_controls[] = {