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Commit 18cc8d8d authored by Joonyoung Shim's avatar Joonyoung Shim Committed by Mark Brown
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ASoC: TWL4030: Fix gain control for earpiece amplifier 



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: default avatarJoonyoung Shim <jy0922.shim@samsung.com>
Acked-by: default avatarPeter Ujfalusi <peter.ujfalusi@nokia.com>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent 0c95de73

sound/soc/codecs/twl4030.c

+7 −1
Original line number Diff line number Diff line
@@ -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",