Add ALSA controls to configure the PDM clock and PDM input edges for the 4 digital mic inputs.
Signed-off-by: Dan Murphy dmurphy@ti.com --- sound/soc/codecs/tlv320adcx140.c | 74 +++++++++++++++++++++++++++++--- 1 file changed, 69 insertions(+), 5 deletions(-)
diff --git a/sound/soc/codecs/tlv320adcx140.c b/sound/soc/codecs/tlv320adcx140.c index 0f713efde046..e860d3c62d64 100644 --- a/sound/soc/codecs/tlv320adcx140.c +++ b/sound/soc/codecs/tlv320adcx140.c @@ -180,6 +180,49 @@ static const struct snd_kcontrol_new decimation_filter_controls[] = { SOC_DAPM_ENUM("Decimation Filter", decimation_filter_enum), };
+static const char * const pdmclk_text[] = { + "2.8224 MHz", "1.4112 MHz", "705.6 kHz", "5.6448 MHz" +}; + +static SOC_ENUM_SINGLE_DECL(pdmclk_select_enum, ADCX140_PDMCLK_CFG, 0, + pdmclk_text); + +static const struct snd_kcontrol_new pdmclk_div_controls[] = { + SOC_DAPM_ENUM("PDM Clk Divider Select", pdmclk_select_enum), +}; + +static const char * const pdm_edge_text[] = { + "Negative", "Positive" +}; + +static SOC_ENUM_SINGLE_DECL(pdm1edge_select_enum, ADCX140_PDM_CFG, 7, + pdm_edge_text); + +static SOC_ENUM_SINGLE_DECL(pdm2edge_select_enum, ADCX140_PDM_CFG, 6, + pdm_edge_text); + +static SOC_ENUM_SINGLE_DECL(pdm3edge_select_enum, ADCX140_PDM_CFG, 5, + pdm_edge_text); + +static SOC_ENUM_SINGLE_DECL(pdm4edge_select_enum, ADCX140_PDM_CFG, 4, + pdm_edge_text); + +static const struct snd_kcontrol_new pdmin1_edge_controls[] = { + SOC_DAPM_ENUM("PDMIN1 Edge Select", pdm1edge_select_enum), +}; + +static const struct snd_kcontrol_new pdmin2_edge_controls[] = { + SOC_DAPM_ENUM("PDMIN2 Edge Select", pdm2edge_select_enum), +}; + +static const struct snd_kcontrol_new pdmin3_edge_controls[] = { + SOC_DAPM_ENUM("PDMIN3 Edge Select", pdm3edge_select_enum), +}; + +static const struct snd_kcontrol_new pdmin4_edge_controls[] = { + SOC_DAPM_ENUM("PDMIN4 Edge Select", pdm4edge_select_enum), +}; + static const char * const resistor_text[] = { "2.5 kOhm", "10 kOhm", "20 kOhm" }; @@ -416,6 +459,18 @@ static const struct snd_soc_dapm_widget adcx140_dapm_widgets[] = { SND_SOC_DAPM_MUX("IN4 Analog Mic Resistor", SND_SOC_NOPM, 0, 0, in4_resistor_controls),
+ SND_SOC_DAPM_MUX("PDM Clk Div Select", SND_SOC_NOPM, 0, 0, + pdmclk_div_controls), + + SND_SOC_DAPM_MUX("PDMIN1 Edge Select", SND_SOC_NOPM, 0, 0, + pdmin1_edge_controls), + SND_SOC_DAPM_MUX("PDMIN2 Edge Select", SND_SOC_NOPM, 0, 0, + pdmin2_edge_controls), + SND_SOC_DAPM_MUX("PDMIN3 Edge Select", SND_SOC_NOPM, 0, 0, + pdmin3_edge_controls), + SND_SOC_DAPM_MUX("PDMIN4 Edge Select", SND_SOC_NOPM, 0, 0, + pdmin4_edge_controls), + SND_SOC_DAPM_MUX("Decimation Filter", SND_SOC_NOPM, 0, 0, decimation_filter_controls), }; @@ -493,6 +548,20 @@ static const struct snd_soc_dapm_route adcx140_audio_map[] = { {"IN4 Analog Mic Resistor", "10 kOhm", "MIC4M Input Mux"}, {"IN4 Analog Mic Resistor", "20 kOhm", "MIC4M Input Mux"},
+ {"PDM Clk Div Select", "2.8224 MHz", "MIC1P Input Mux"}, + {"PDM Clk Div Select", "1.4112 MHz", "MIC1P Input Mux"}, + {"PDM Clk Div Select", "705.6 kHz", "MIC1P Input Mux"}, + {"PDM Clk Div Select", "5.6448 MHz", "MIC1P Input Mux"}, + + {"PDMIN1 Edge Select", "Negative", "MIC1P Input Mux"}, + {"PDMIN1 Edge Select", "Positive", "MIC1P Input Mux"}, + {"PDMIN2 Edge Select", "Negative", "MIC2P Input Mux"}, + {"PDMIN2 Edge Select", "Positive", "MIC2P Input Mux"}, + {"PDMIN3 Edge Select", "Negative", "MIC3P Input Mux"}, + {"PDMIN3 Edge Select", "Positive", "MIC3P Input Mux"}, + {"PDMIN4 Edge Select", "Negative", "MIC4P Input Mux"}, + {"PDMIN4 Edge Select", "Positive", "MIC4P Input Mux"}, + {"MIC1 Analog Mux", "Line In", "MIC1P"}, {"MIC2 Analog Mux", "Line In", "MIC2P"}, {"MIC3 Analog Mux", "Line In", "MIC3P"}, @@ -675,11 +744,6 @@ static int adcx140_set_dai_tdm_slot(struct snd_soc_dai *codec_dai, struct adcx140_priv *adcx140 = snd_soc_component_get_drvdata(component); unsigned int lsb;
- if (tx_mask != rx_mask) { - dev_err(component->dev, "tx and rx masks must be symmetric\n"); - return -EINVAL; - } - /* TDM based on DSP mode requires slots to be adjacent */ lsb = __ffs(tx_mask); if ((lsb + 1) != __fls(tx_mask)) {