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asoc: codecs: disable analog codec static supplies during suspend

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Disable regulator supplies of analog codec during suspend
to reduce power consumption.

CRs-Fixed: 2132296
Change-Id: Ia4b690f01e83e929f8bf4d279454e2ff2e8655a2
Signed-off-by: Rohit kumar <rohitkr@codeaurora.org>
This commit is contained in:
Rohit kumar 2017-10-27 09:27:29 +05:30 committed by Gerrit - the friendly Code Review server
parent 50a527cf07
commit 9326b2df53
1 changed files with 18 additions and 4 deletions
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22
asoc/codecs/sdm660_cdc/msm-analog-cdc.c
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@ -4208,7 +4208,7 @@ static int msm_anlg_cdc_enable_static_supplies_to_optimum(
struct sdm660_cdc_pdata *pdata)
{
int i;
int ret = 0;
int ret = 0, rc = 0;
for (i = 0; i < sdm660_cdc->num_of_supplies; i++) {
if (pdata->regulator[i].ondemand)
@ -4217,6 +4217,12 @@ static int msm_anlg_cdc_enable_static_supplies_to_optimum(
sdm660_cdc->supplies[i].consumer) <= 0)
continue;
rc = regulator_enable(sdm660_cdc->supplies[i].consumer);
if (rc) {
dev_err(sdm660_cdc->dev, "Failed to enable %s: %d\n",
sdm660_cdc->supplies[i].supply, rc);
break;
}
ret = regulator_set_voltage(
sdm660_cdc->supplies[i].consumer,
pdata->regulator[i].min_uv,
@ -4233,7 +4239,10 @@ static int msm_anlg_cdc_enable_static_supplies_to_optimum(
sdm660_cdc->supplies[i].supply);
}
return ret;
while (rc && i--)
if (!pdata->regulator[i].ondemand)
regulator_disable(sdm660_cdc->supplies[i].consumer);
return rc;
}
static int msm_anlg_cdc_disable_static_supplies_to_optimum(
@ -4252,7 +4261,12 @@ static int msm_anlg_cdc_disable_static_supplies_to_optimum(
regulator_set_voltage(sdm660_cdc->supplies[i].consumer, 0,
pdata->regulator[i].max_uv);
regulator_set_load(sdm660_cdc->supplies[i].consumer, 0);
dev_dbg(sdm660_cdc->dev, "Regulator %s set optimum mode\n",
ret = regulator_disable(sdm660_cdc->supplies[i].consumer);
if (ret)
dev_err(sdm660_cdc->dev, "Failed to disable %s: %d\n",
sdm660_cdc->supplies[i].supply, ret);
dev_dbg(sdm660_cdc->dev, "Regulator %s disable\n",
sdm660_cdc->supplies[i].supply);
}
@ -4421,7 +4435,7 @@ static int msm_anlg_cdc_enable_static_supplies(
sdm660_cdc->supplies[i].supply);
}
while (ret && --i)
while (ret && i--)
if (!pdata->regulator[i].ondemand)
regulator_disable(sdm660_cdc->supplies[i].consumer);
return ret;