From 4290239cd05b6323da87b5e7e7db4c673bff5359 Mon Sep 17 00:00:00 2001 From: Peter Ujfalusi Date: Mon, 1 Dec 2008 10:03:47 +0200 Subject: ASoC: TWL4030: Add volume controls for outputs All outputs have dedicated gain controls except the HandsFree output. Signed-off-by: Peter Ujfalusi Signed-off-by: Mark Brown --- sound/soc/codecs/twl4030.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) (limited to 'sound/soc/codecs/twl4030.c') diff --git a/sound/soc/codecs/twl4030.c b/sound/soc/codecs/twl4030.c index 1dae73af527..ffd5120697a 100644 --- a/sound/soc/codecs/twl4030.c +++ b/sound/soc/codecs/twl4030.c @@ -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, -- cgit v1.2.3-70-g09d2