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Commit 6c13f05f authored by Tanya Dixit's avatar Tanya Dixit
Browse files

asoc: wcd937x: Make vdd-buck as on-demand supply 



Add widget and routing support for vdd-buck supply
as dynamic for all rx usecases.

Change-Id: I1e67e7e950e33a0d98900ee0b20e0dc818a7936d
Signed-off-by: default avatarTanya Dixit <tdixit@codeaurora.org>
parent 58ff6ed4

asoc/codecs/wcd937x/wcd937x.c

+62 −0
Original line number Original line Diff line number Diff line
@@ -1374,6 +1374,60 @@ static int wcd937x_set_compander(struct snd_kcontrol *kcontrol, 
	return 0;

	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[] = {

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_INVALID", "CLS_H_HIFI", "CLS_H_LP", "CLS_AB", "CLS_H_LOHIFI",

	"CLS_H_ULP", "CLS_AB_HIFI",

	"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_PRE_PMU | SND_SOC_DAPM_POST_PMU |

				SND_SOC_DAPM_POST_PMD),

				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*/

	/*rx widgets*/

	SND_SOC_DAPM_PGA_E("EAR PGA", WCD937X_ANA_EAR, 7, 0, NULL, 0,

	SND_SOC_DAPM_PGA_E("EAR PGA", WCD937X_ANA_EAR, 7, 0, NULL, 0,

				wcd937x_codec_enable_ear_pa,

				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 PGA", NULL, "EAR_RDAC"},

	{"EAR", NULL, "EAR PGA"},

	{"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[] = {

static const struct snd_soc_dapm_route wcd9375_audio_map[] = {