From: Srinivas Kandagatla srinivas.kandagatla@linaro.org
This patch fixes a missing selection of DMIC in CIC filter source path. Without this patch dmic is not functional.
Signed-off-by: Srinivas Kandagatla srinivas.kandagatla@linaro.org --- sound/soc/codecs/msm8916-wcd-digital.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+)
diff --git a/sound/soc/codecs/msm8916-wcd-digital.c b/sound/soc/codecs/msm8916-wcd-digital.c index 825cc7d..f82a936 100644 --- a/sound/soc/codecs/msm8916-wcd-digital.c +++ b/sound/soc/codecs/msm8916-wcd-digital.c @@ -168,6 +168,9 @@
#define LPASS_CDC_TX2_VOL_CTL_CFG (0x2A8) #define LPASS_CDC_TX1_MUX_CTL (0x28C) +#define TX_MUX_CTL_ADC_DMIC_SEL_MASK BIT(0) +#define TX_MUX_CTL_ADC_DMIC_SEL_DMIC BIT(0) +#define TX_MUX_CTL_ADC_DMIC_SEL_ADC 0 #define TX_MUX_CTL_CUT_OFF_FREQ_MASK GENMASK(5, 4) #define TX_MUX_CTL_CUT_OFF_FREQ_SHIFT 4 #define TX_MUX_CTL_CF_NEG_3DB_4HZ (0x0 << 4) @@ -439,17 +442,37 @@ static int msm8916_wcd_digital_enable_dmic(struct snd_soc_dapm_widget *w, DMIC_B1_CTL_DMIC0_CLK_SEL_DIV3); switch (dmic) { case 1: + snd_soc_update_bits(codec, LPASS_CDC_TX1_MUX_CTL, + TX_MUX_CTL_ADC_DMIC_SEL_MASK, + TX_MUX_CTL_ADC_DMIC_SEL_DMIC); snd_soc_update_bits(codec, LPASS_CDC_TX1_DMIC_CTL, TXN_DMIC_CTL_CLK_SEL_MASK, TXN_DMIC_CTL_CLK_SEL_DIV3); break; case 2: + snd_soc_update_bits(codec, LPASS_CDC_TX2_MUX_CTL, + TX_MUX_CTL_ADC_DMIC_SEL_MASK, + TX_MUX_CTL_ADC_DMIC_SEL_DMIC); snd_soc_update_bits(codec, LPASS_CDC_TX2_DMIC_CTL, TXN_DMIC_CTL_CLK_SEL_MASK, TXN_DMIC_CTL_CLK_SEL_DIV3); break; } break; + case SND_SOC_DAPM_POST_PMD: + switch (dmic) { + case 1: + snd_soc_update_bits(codec, LPASS_CDC_TX1_MUX_CTL, + TX_MUX_CTL_ADC_DMIC_SEL_MASK, + 0); + break; + case 2: + snd_soc_update_bits(codec, LPASS_CDC_TX2_MUX_CTL, + TX_MUX_CTL_ADC_DMIC_SEL_MASK, + 0); + break; + } + break; }
return 0; @@ -536,6 +559,8 @@ static const struct snd_soc_dapm_widget msm8916_wcd_digital_dapm_widgets[] = { /* Connectivity Clock */ SND_SOC_DAPM_SUPPLY_S("CDC_CONN", -2, LPASS_CDC_CLK_OTHR_CTL, 2, 0, NULL, 0), + SND_SOC_DAPM_MIC("Digital Mic1", NULL), + SND_SOC_DAPM_MIC("Digital Mic2", NULL),
};