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

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

Change-Id: I1e67e7e950e33a0d98900ee0b20e0dc818a7936d
Signed-off-by: Tanya Dixit <tdixit@codeaurora.org>
This commit is contained in:
Tanya Dixit
2018-09-20 16:16:06 +05:30
parent 58ff6ed45b
commit 6c13f05fb4
1 changed files with 62 additions and 0 deletions
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62
asoc/codecs/wcd937x/wcd937x.c
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@@ -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[] = {