Merge "asoc: wcd937x: Make vdd-buck as on-demand supply" (ce49ef93) · Commits · e / devices / android_kernel_fairphone_FP4

asoc/codecs/wcd937x/wcd937x.c

+62 −0

Original line number	Diff line number	Diff line
		@@ -1374,6 +1374,60 @@ static int wcd937x_set_compander(struct snd_kcontrol *kcontrol,
		return 0;
		}

		static int wcd937x_codec_enable_vdd_buck(struct snd_soc_dapm_widget *w,
		struct snd_kcontrol *kcontrol,
		int event)
		{
		struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
		struct wcd937x_priv *wcd937x = snd_soc_codec_get_drvdata(codec);
		struct wcd937x_pdata *pdata = NULL;
		int ret = 0;

		pdata = dev_get_platdata(wcd937x->dev);

		if (!pdata) {
		dev_err(codec->dev, "%s: pdata is NULL\n", __func__);
		return -EINVAL;
		}

		dev_dbg(codec->dev, "%s wname: %s event: %d\n", __func__,
		w->name, event);

		switch (event) {
		case SND_SOC_DAPM_PRE_PMU:
		ret = msm_cdc_enable_ondemand_supply(wcd937x->dev,
		wcd937x->supplies,
		pdata->regulator,
		pdata->num_supplies,
		"cdc-vdd-buck");
		if (ret == -EINVAL) {
		dev_err(codec->dev, "%s: vdd buck is not enabled\n",
		__func__);
		return ret;
		}
		/*
		* 200us sleep is required after LDO15 is enabled as per
		* HW requirement
		*/
		usleep_range(200, 250);
		break;
		case SND_SOC_DAPM_POST_PMD:
		ret = msm_cdc_disable_ondemand_supply(wcd937x->dev,
		wcd937x->supplies,
		pdata->regulator,
		pdata->num_supplies,
		"cdc-vdd-buck");
		if (ret == -EINVAL) {
		dev_err(codec->dev, "%s: vdd buck is not enabled\n",
		__func__);
		return ret;
		}

		break;
		}
		return 0;
		}

		static const char * const rx_hph_mode_mux_text[] = {
		"CLS_H_INVALID", "CLS_H_HIFI", "CLS_H_LP", "CLS_AB", "CLS_H_LOHIFI",
		"CLS_H_ULP", "CLS_AB_HIFI",
		@@ -1526,6 +1580,10 @@ static const struct snd_soc_dapm_widget wcd937x_dapm_widgets[] = {
		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),

		/rx widgets/
		SND_SOC_DAPM_PGA_E("EAR PGA", WCD937X_ANA_EAR, 7, 0, NULL, 0,
		wcd937x_codec_enable_ear_pa,
		@@ -1709,6 +1767,10 @@ static const struct snd_soc_dapm_route wcd937x_audio_map[] = {
		{"EAR PGA", NULL, "EAR_RDAC"},
		{"EAR", NULL, "EAR PGA"},

		{"EAR", NULL, "VDD_BUCK"},
		{"HPHR", NULL, "VDD_BUCK"},
		{"HPHL", NULL, "VDD_BUCK"},
		{"AUX", NULL, "VDD_BUCK"},
		};

		static const struct snd_soc_dapm_route wcd9375_audio_map[] = {