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Commit a484a9a3 authored by Lars-Peter Clausen's avatar Lars-Peter Clausen Committed by Mark Brown
Browse files

ASoC: jz4740-codec: Add dB information 



Add dB TLV ranges for the various volume controls.

Signed-off-by: default avatarLars-Peter Clausen <lars@metafoo.de>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent 6f0c0580

sound/soc/codecs/jz4740.c

+19 −6
Original line number Diff line number Diff line
@@ -24,6 +24,7 @@ 
#include <sound/pcm_params.h>

#include <sound/initval.h>

#include <sound/soc.h>

#include <sound/tlv.h>



#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[] = {