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asoc: codecs: enable dynamic RX & TX supplies for WCD9335

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Enable and vote RX and TX supplies dynamically during respective
usecases.

Change-Id: I671c14b34ce0325e102d94083905329d473d4a78
Signed-off-by: Mangesh Kunchamwar <mangeshk@codeaurora.org>
Signed-off-by: Surendar Karka <skarka@codeaurora.org>
This commit is contained in:
Mangesh Kunchamwar
2019-01-30 16:24:49 +05:30
committed by Meng Wang
parent efdb8d9f66
commit 7f6fc83bc9
8 changed files with 163 additions and 21 deletions
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47
asoc/codecs/wcd9335.c
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@@ -151,6 +151,8 @@ MODULE_PARM_DESC(cpe_debug_mode, "boot cpe in debug mode");
static char on_demand_supply_name[][MAX_ON_DEMAND_SUPPLY_NAME_LENGTH] = {
"cdc-vdd-mic-bias",
"cdc-vdd-tx-h",
"cdc-vdd-rx-h"
};
enum {
@@ -5634,6 +5636,9 @@ static int tasha_codec_enable_on_demand_supply(
snd_soc_dapm_to_component(w->dapm);
struct tasha_priv *tasha = snd_soc_component_get_drvdata(component);
struct on_demand_supply *supply;
struct wcd9xxx *wcd9xxx = tasha->wcd9xxx;
struct wcd9xxx_pdata *pdata = dev_get_platdata(component->dev->parent);
const char *supply_name;
if (w->shift >= ON_DEMAND_SUPPLIES_MAX) {
dev_err(component->dev, "%s: error index > MAX Demand supplies",
@@ -5646,6 +5651,7 @@ static int tasha_codec_enable_on_demand_supply(
__func__, on_demand_supply_name[w->shift], event);
supply = &tasha->on_demand_list[w->shift];
supply_name = on_demand_supply_name[w->shift];
WARN_ONCE(!supply->supply, "%s isn't defined\n",
on_demand_supply_name[w->shift]);
if (!supply->supply) {
@@ -5656,6 +5662,15 @@ static int tasha_codec_enable_on_demand_supply(
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
if (pdata->vote_regulator_on_demand) {
ret = wcd9xxx_vote_ondemand_regulator(wcd9xxx, pdata,
supply_name,
true);
if (ret)
dev_err(component->dev, "%s: Failed to vote %s\n",
__func__,
on_demand_supply_name[w->shift]);
}
ret = regulator_enable(supply->supply);
if (ret)
dev_err(component->dev, "%s: Failed to enable %s\n",
@@ -5668,6 +5683,15 @@ static int tasha_codec_enable_on_demand_supply(
dev_err(component->dev, "%s: Failed to disable %s\n",
__func__,
on_demand_supply_name[w->shift]);
if (pdata->vote_regulator_on_demand) {
ret = wcd9xxx_vote_ondemand_regulator(wcd9xxx, pdata,
supply_name,
false);
if (ret)
dev_err(component->dev, "%s: Failed to unvote %s\n",
__func__,
on_demand_supply_name[w->shift]);
}
break;
default:
break;
@@ -11130,7 +11154,14 @@ static const struct snd_soc_dapm_widget tasha_dapm_widgets[] = {
SND_SOC_DAPM_SUPPLY(DAPM_LDO_H_STANDALONE, SND_SOC_NOPM, 0, 0,
tasha_codec_force_enable_ldo_h,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_SUPPLY("tx regulator", SND_SOC_NOPM,
ON_DEMAND_TX_SUPPLY, 0,
tasha_codec_enable_on_demand_supply,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_SUPPLY("rx regulator", SND_SOC_NOPM,
ON_DEMAND_RX_SUPPLY, 0,
tasha_codec_enable_on_demand_supply,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MUX("ANC0 FB MUX", SND_SOC_NOPM, 0, 0, &anc0_fb_mux),
SND_SOC_DAPM_MUX("ANC1 FB MUX", SND_SOC_NOPM, 0, 0, &anc1_fb_mux),
@@ -13899,12 +13930,14 @@ static int tasha_codec_probe(struct snd_soc_component *component)
goto err;
}
supply = tasha_codec_find_ondemand_regulator(component,
on_demand_supply_name[ON_DEMAND_MICBIAS]);
if (supply) {
tasha->on_demand_list[ON_DEMAND_MICBIAS].supply = supply;
tasha->on_demand_list[ON_DEMAND_MICBIAS].ondemand_supply_count =
0;
for (i = ON_DEMAND_MICBIAS; i < ON_DEMAND_SUPPLIES_MAX; i++) {
supply = tasha_codec_find_ondemand_regulator(component,
on_demand_supply_name[i]);
if (supply) {
tasha->on_demand_list[i].supply = supply;
tasha->on_demand_list[i].ondemand_supply_count =
0;
}
}
tasha->fw_data = devm_kzalloc(component->dev,