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ASoC: TWL4030: Change the capture volume control to TLV 

The digital Capture gain control has a range:
0 to 31 dB in 1 dB steps.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@nokia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Peter Ujfalusi 2008-12-01 10:03:45 +02:00 committed by Mark Brown
parent fa5c76978c
commit 381a22b564
1 changed files with 11 additions and 3 deletions
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14
sound/soc/codecs/twl4030.c
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@ -360,6 +360,12 @@ static DECLARE_TLV_DB_SCALE(master_tlv, -6300, 100, 1);
*/
static DECLARE_TLV_DB_SCALE(master_coarse_tlv, 0, 600, 0);
/*
* Capture gain after the ADCs
* from 0 dB to 31 dB in 1 dB steps
*/
static DECLARE_TLV_DB_SCALE(digital_capture_tlv, 0, 100, 0);
static const struct snd_kcontrol_new twl4030_snd_controls[] = {
SOC_DOUBLE_R_TLV("Master Playback Volume",
TWL4030_REG_ARXL2PGA, TWL4030_REG_ARXR2PGA,
@ -367,9 +373,11 @@ static const struct snd_kcontrol_new twl4030_snd_controls[] = {
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),
/* Common capture gain controls */
SOC_DOUBLE_R_TLV("Capture Volume",
TWL4030_REG_ATXL1PGA, TWL4030_REG_ATXR1PGA,
0, 0x1f, 0, digital_capture_tlv),
};
/* add non dapm controls */