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ASoC: TWL4030: Fix gain control for earpiece amplifier

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The gain control for earpiece amplifier uses 0dB ~ 12dB according to the
TRM, but the present code is implemented to -6dB ~ 6dB.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@nokia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Joonyoung Shim 2009-04-28 18:18:05 +09:00 committed by Mark Brown
parent 0c95de73a7
commit 18cc8d8d9b
1 changed files with 7 additions and 1 deletions
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8
sound/soc/codecs/twl4030.c
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@ -835,6 +835,12 @@ static DECLARE_TLV_DB_SCALE(analog_tlv, -2400, 200, 0);
*/
static DECLARE_TLV_DB_SCALE(output_tvl, -1200, 600, 1);
/*
* Gain control for earpiece amplifier
* 0 dB to 12 dB in 6 dB steps (mute instead of -6)
*/
static DECLARE_TLV_DB_SCALE(output_ear_tvl, -600, 600, 1);
/*
* Capture gain after the ADCs
* from 0 dB to 31 dB in 1 dB steps
@ -900,7 +906,7 @@ static const struct snd_kcontrol_new twl4030_snd_controls[] = {
4, 3, 0, output_tvl),
SOC_SINGLE_TLV_TWL4030("Earpiece Playback Volume",
TWL4030_REG_EAR_CTL, 4, 3, 0, output_tvl),
TWL4030_REG_EAR_CTL, 4, 3, 0, output_ear_tvl),
/* Common capture gain controls */
SOC_DOUBLE_R_TLV("TX1 Digital Capture Volume",