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ASoC: TWL4030: Add volume controls for outputs 

All outputs have dedicated gain controls except the
HandsFree output.

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 10:03:47 +02:00 committed by Mark Brown
parent d889a72c5c
commit 4290239cd0
1 changed files with 21 additions and 0 deletions
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21
sound/soc/codecs/twl4030.c
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@ -366,6 +366,12 @@ static DECLARE_TLV_DB_SCALE(digital_coarse_tlv, 0, 600, 0);
*/
static DECLARE_TLV_DB_SCALE(analog_tlv, -2400, 200, 0);
/*
* Gain controls tied to outputs
* -6 dB to 6 dB in 6 dB steps (mute instead of -12)
*/
static DECLARE_TLV_DB_SCALE(output_tvl, -1200, 600, 1);
/*
* Capture gain after the ADCs
* from 0 dB to 31 dB in 1 dB steps
@ -395,6 +401,21 @@ static const struct snd_kcontrol_new twl4030_snd_controls[] = {
TWL4030_REG_ARXL2_APGA_CTL, TWL4030_REG_ARXR2_APGA_CTL,
3, 0x12, 1, analog_tlv),
/* Separate output gain controls */
SOC_DOUBLE_R_TLV_TWL4030("PreDriv Playback Volume",
TWL4030_REG_PREDL_CTL, TWL4030_REG_PREDR_CTL,
4, 3, 0, output_tvl),
SOC_DOUBLE_TLV_TWL4030("Headset Playback Volume",
TWL4030_REG_HS_GAIN_SET, 0, 2, 3, 0, output_tvl),
SOC_DOUBLE_R_TLV_TWL4030("Carkit Playback Volume",
TWL4030_REG_PRECKL_CTL, TWL4030_REG_PRECKR_CTL,
4, 3, 0, output_tvl),
SOC_SINGLE_TLV_TWL4030("Earpiece Playback Volume",
TWL4030_REG_EAR_CTL, 4, 3, 0, output_tvl),
/* Common capture gain controls */
SOC_DOUBLE_R_TLV("Capture Volume",
TWL4030_REG_ATXL1PGA, TWL4030_REG_ATXR1PGA,