From a484a9a338b386e26d9dac14a76d59afa4e8bb3e Mon Sep 17 00:00:00 2001 From: Lars-Peter Clausen Date: Sat, 27 Oct 2012 17:15:06 +0200 Subject: [PATCH] ASoC: jz4740-codec: Add dB information Add dB TLV ranges for the various volume controls. Signed-off-by: Lars-Peter Clausen Signed-off-by: Mark Brown --- sound/soc/codecs/jz4740.c | 25 +++++++++++++++++++------ 1 file changed, 19 insertions(+), 6 deletions(-) diff --git a/sound/soc/codecs/jz4740.c b/sound/soc/codecs/jz4740.c index 85d9cabe6d55..51b4f99bbd6a 100644 --- a/sound/soc/codecs/jz4740.c +++ b/sound/soc/codecs/jz4740.c @@ -24,6 +24,7 @@ #include #include #include +#include #define JZ4740_REG_CODEC_1 0x0 #define JZ4740_REG_CODEC_2 0x1 @@ -95,15 +96,27 @@ static int jz4740_codec_write(struct snd_soc_codec *codec, unsigned int reg, return 0; } +static const unsigned int jz4740_mic_tlv[] = { + TLV_DB_RANGE_HEAD(2), + 0, 2, TLV_DB_SCALE_ITEM(0, 600, 0), + 3, 3, TLV_DB_SCALE_ITEM(2000, 0, 0), +}; + +static const DECLARE_TLV_DB_SCALE(jz4740_out_tlv, 0, 200, 0); +static const DECLARE_TLV_DB_SCALE(jz4740_in_tlv, -3450, 150, 0); + static const struct snd_kcontrol_new jz4740_codec_controls[] = { - SOC_SINGLE("Master Playback Volume", JZ4740_REG_CODEC_2, - JZ4740_CODEC_2_HEADPHONE_VOLUME_OFFSET, 3, 0), - SOC_SINGLE("Master Capture Volume", JZ4740_REG_CODEC_2, - JZ4740_CODEC_2_INPUT_VOLUME_OFFSET, 31, 0), + SOC_SINGLE_TLV("Master Playback Volume", JZ4740_REG_CODEC_2, + JZ4740_CODEC_2_HEADPHONE_VOLUME_OFFSET, 3, 0, + jz4740_out_tlv), + SOC_SINGLE_TLV("Master Capture Volume", JZ4740_REG_CODEC_2, + JZ4740_CODEC_2_INPUT_VOLUME_OFFSET, 31, 0, + jz4740_in_tlv), SOC_SINGLE("Master Playback Switch", JZ4740_REG_CODEC_1, JZ4740_CODEC_1_HEADPHONE_DISABLE_OFFSET, 1, 1), - SOC_SINGLE("Mic Capture Volume", JZ4740_REG_CODEC_2, - JZ4740_CODEC_2_MIC_BOOST_GAIN_OFFSET, 3, 0), + SOC_SINGLE_TLV("Mic Capture Volume", JZ4740_REG_CODEC_2, + JZ4740_CODEC_2_MIC_BOOST_GAIN_OFFSET, 3, 0, + jz4740_mic_tlv), }; static const struct snd_kcontrol_new jz4740_codec_output_controls[] = { -- 2.30.2