Re: [RESEND v5 6/7] ASoC: codecs: wcd937x: add capture dapm widgets

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On 27/05/2024 12:19, Mohammad Rafi Shaik wrote:
+static int __wcd937x_codec_enable_micbias(struct snd_soc_dapm_widget *w,
+					  int event)
+{
+	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
+	int micb_num;
+
+	if (strnstr(w->name, "MIC BIAS1", sizeof("MIC BIAS1")))
+		micb_num = MIC_BIAS_1;
+	else if (strnstr(w->name, "MIC BIAS2", sizeof("MIC BIAS2")))
+		micb_num = MIC_BIAS_2;
+	else if (strnstr(w->name, "MIC BIAS3", sizeof("MIC BIAS3")))
+		micb_num = MIC_BIAS_3;
+	else
+		return -EINVAL;
+
See last comment..

+	switch (event) {
+	case SND_SOC_DAPM_PRE_PMU:
+		wcd937x_micbias_control(component, micb_num,
+					MICB_ENABLE, true);
+		break;
+	case SND_SOC_DAPM_POST_PMU:
+		usleep_range(1000, 1100);
+		break;
+	case SND_SOC_DAPM_POST_PMD:
+		wcd937x_micbias_control(component, micb_num,
+					MICB_DISABLE, true);
+		break;
+	}
+
+	return 0;
+}
+
+static int wcd937x_codec_enable_micbias(struct snd_soc_dapm_widget *w,
+					struct snd_kcontrol *kcontrol,
+					int event)
+{
+	return __wcd937x_codec_enable_micbias(w, event);
+}
+
+static int __wcd937x_codec_enable_micbias_pullup(struct snd_soc_dapm_widget *w,
+						 int event)
+{
+	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
+	int micb_num;
+
+	if (strnstr(w->name, "VA MIC BIAS1", sizeof("VA MIC BIAS1")))
+		micb_num = MIC_BIAS_1;
+	else if (strnstr(w->name, "VA MIC BIAS2", sizeof("VA MIC BIAS2")))
+		micb_num = MIC_BIAS_2;
+	else if (strnstr(w->name, "VA MIC BIAS3", sizeof("VA MIC BIAS3")))
+		micb_num = MIC_BIAS_3;
+	else
+		return -EINVAL;
+
same..
+	switch (event) {
+	case SND_SOC_DAPM_PRE_PMU:
+		wcd937x_micbias_control(component, micb_num, MICB_PULLUP_ENABLE, true);
+		break;
+	case SND_SOC_DAPM_POST_PMU:
+		usleep_range(1000, 1100);
+		break;
+	case SND_SOC_DAPM_POST_PMD:
+		wcd937x_micbias_control(component, micb_num, MICB_PULLUP_DISABLE, true);
+		break;
+	}
+
+	return 0;
+}
+

...

  static const struct snd_soc_dapm_widget wcd937x_dapm_widgets[] = {
...> +	/* MIC_BIAS widgets */
+	SND_SOC_DAPM_SUPPLY("MIC BIAS1", SND_SOC_NOPM, 0, 0,
Please use shift here like
        SND_SOC_DAPM_SUPPLY("MIC BIAS1", SND_SOC_NOPM, MIC_BIAS_1, 0,
        SND_SOC_DAPM_SUPPLY("MIC BIAS2", SND_SOC_NOPM, MIC_BIAS_2, 0,

to avoid doing a string compares on wideget name.

--srini

+			    wcd937x_codec_enable_micbias,
+			    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
+			    SND_SOC_DAPM_POST_PMD),
+	SND_SOC_DAPM_SUPPLY("MIC BIAS2", SND_SOC_NOPM, 0, 0,
+			    wcd937x_codec_enable_micbias,
+			    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
+			    SND_SOC_DAPM_POST_PMD),
+	SND_SOC_DAPM_SUPPLY("MIC BIAS3", SND_SOC_NOPM, 0, 0,
+			    wcd937x_codec_enable_micbias,
+			    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
+			    SND_SOC_DAPM_POST_PMD),
+
  	SND_SOC_DAPM_SUPPLY("VDD_BUCK", SND_SOC_NOPM, 0, 0,
  			    wcd937x_codec_enable_vdd_buck,
  			    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
@@ -2007,11 +2312,101 @@ static const struct snd_soc_dapm_widget wcd937x_dapm_widgets[] = {
  	SND_SOC_DAPM_MIXER("HPHR_RDAC", SND_SOC_NOPM, 0, 0,
  			   hphr_rdac_switch, ARRAY_SIZE(hphr_rdac_switch)),
+ /* TX output widgets */
+	SND_SOC_DAPM_OUTPUT("ADC1_OUTPUT"),
+	SND_SOC_DAPM_OUTPUT("ADC2_OUTPUT"),
+	SND_SOC_DAPM_OUTPUT("ADC3_OUTPUT"),
+	SND_SOC_DAPM_OUTPUT("WCD_TX_OUTPUT"),
+
  	/* RX output widgets */
  	SND_SOC_DAPM_OUTPUT("EAR"),
  	SND_SOC_DAPM_OUTPUT("AUX"),
  	SND_SOC_DAPM_OUTPUT("HPHL"),
  	SND_SOC_DAPM_OUTPUT("HPHR"),
+
+	/* MIC_BIAS pull up widgets */
+	SND_SOC_DAPM_SUPPLY("VA MIC BIAS1", SND_SOC_NOPM, 0, 0,
+			    wcd937x_codec_enable_micbias_pullup,
+			    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
+			    SND_SOC_DAPM_POST_PMD),
+	SND_SOC_DAPM_SUPPLY("VA MIC BIAS2", SND_SOC_NOPM, 0, 0,
+			    wcd937x_codec_enable_micbias_pullup,
+			    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
+			    SND_SOC_DAPM_POST_PMD),
+	SND_SOC_DAPM_SUPPLY("VA MIC BIAS3", SND_SOC_NOPM, 0, 0,
+			    wcd937x_codec_enable_micbias_pullup,
+			    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
+			    SND_SOC_DAPM_POST_PMD),



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