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| author | Peter Ujfalusi <peter.ujfalusi@nokia.com> | 2008-11-24 13:49:36 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2008-11-24 14:05:40 +0000 |
| commit | 0d33ea0b0f954dddd3996597c663c111249d4df9 (patch) | |
| tree | f11fb64ae0508866ffd34055c2a8f8ffa5e259ea /sound/soc | |
| parent | c10b82cf085c38f2568609ffb10a6d725130f389 (diff) | |
| download | talos-obmc-linux-0d33ea0b0f954dddd3996597c663c111249d4df9.tar.gz talos-obmc-linux-0d33ea0b0f954dddd3996597c663c111249d4df9.zip | |
ASoC: TWL4030: Add CGAIN volume control
Add CGAIN (Coarse gain control) to TWL4030 codec.
The range of the CGAIN is:
0 dB to 12 dB in 6 dB steps.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@nokia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc')
| -rw-r--r-- | sound/soc/codecs/twl4030.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/sound/soc/codecs/twl4030.c b/sound/soc/codecs/twl4030.c index 498c42f7c6e0..91effd341c0b 100644 --- a/sound/soc/codecs/twl4030.c +++ b/sound/soc/codecs/twl4030.c @@ -196,10 +196,20 @@ static void twl4030_init_chip(struct snd_soc_codec *codec) */ static DECLARE_TLV_DB_SCALE(master_tlv, -6300, 100, 1); +/* + * CGAIN volume control: + * 0 dB to 12 dB in 6 dB steps + * value 2 and 3 means 12 dB + */ +static DECLARE_TLV_DB_SCALE(master_coarse_tlv, 0, 600, 0); + static const struct snd_kcontrol_new twl4030_snd_controls[] = { SOC_DOUBLE_R_TLV("Master Playback Volume", TWL4030_REG_ARXL2PGA, TWL4030_REG_ARXR2PGA, 0, 0x3f, 0, master_tlv), + SOC_DOUBLE_R_TLV("Master PCM Playback Volume", + TWL4030_REG_ARXL2PGA, TWL4030_REG_ARXR2PGA, + 6, 0x2, 0, master_coarse_tlv), SOC_DOUBLE_R("Capture Volume", TWL4030_REG_ATXL1PGA, TWL4030_REG_ATXR1PGA, 0, 0x1f, 0), |
