Microphone input can be single ended or differential, although known SoCs with that codec expose MIC1P only.
Also there is 20dB mic boost in the Mic1 path.
Signed-off-by: Siarhei Volkau lis8215@gmail.com --- sound/soc/codecs/jz4725b.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+)
diff --git a/sound/soc/codecs/jz4725b.c b/sound/soc/codecs/jz4725b.c index 52b2bb95b..685ba1d3a 100644 --- a/sound/soc/codecs/jz4725b.c +++ b/sound/soc/codecs/jz4725b.c @@ -175,6 +175,15 @@ static const SNDRV_CTL_TLVD_DECLARE_DB_RANGE(jz4725b_out_tlv, 12, 23, TLV_DB_SCALE_ITEM(-1050, 100, 0), 24, 31, TLV_DB_SCALE_ITEM( 100, 50, 0), ); +static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(jz4725b_mic_boost_tlv, 0, 2000, 0); + +static const char * const jz4725b_mic_mode_texts[] = { + "Single Ended", "Differential", +}; + +static const struct soc_enum jz4725b_mic_mode_enum = + SOC_ENUM_SINGLE(JZ4725B_CODEC_REG_CR3, REG_CR3_MICDIFF_OFFSET, + 2, jz4725b_mic_mode_texts);
static const struct snd_kcontrol_new jz4725b_codec_controls[] = { SOC_DOUBLE_TLV("DAC Playback Volume", @@ -219,6 +228,13 @@ static const struct snd_kcontrol_new jz4725b_codec_controls[] = { SOC_SINGLE("High-Pass Filter Capture Switch", JZ4725B_CODEC_REG_CR2, REG_CR2_ADC_HPF_OFFSET, 1, 0), + + SOC_ENUM("Mic Mode Capture Switch", jz4725b_mic_mode_enum), + + SOC_SINGLE_TLV("Mic1 Boost Capture Volume", + JZ4725B_CODEC_REG_PMR2, + REG_PMR2_GIM_OFFSET, + 1, 0, jz4725b_mic_boost_tlv), };
static const char * const jz4725b_codec_adc_src_texts[] = {