diff options
| author | Rohit kumar <rohitkr@codeaurora.org> | 2017-10-27 09:27:29 +0530 |
|---|---|---|
| committer | Gerrit - the friendly Code Review server <code-review@localhost> | 2017-11-30 00:33:35 -0800 |
| commit | 9326b2df53c2f21d560941c5e2a1a648477d4136 (patch) | |
| tree | d45f4fc2522d7ecb6762c072fdce084a6a6b3553 /asoc/codecs | |
| parent | 50a527cf07f90c1141a8bd90482e30b40583691d (diff) | |
| download | msm-extra-9326b2df53c2f21d560941c5e2a1a648477d4136.tar.gz | |
asoc: codecs: disable analog codec static supplies during suspend
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>
Diffstat (limited to 'asoc/codecs')
| -rw-r--r-- | asoc/codecs/sdm660_cdc/msm-analog-cdc.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/asoc/codecs/sdm660_cdc/msm-analog-cdc.c b/asoc/codecs/sdm660_cdc/msm-analog-cdc.c index d83d15a3..35e00a39 100644 --- a/asoc/codecs/sdm660_cdc/msm-analog-cdc.c +++ b/asoc/codecs/sdm660_cdc/msm-analog-cdc.c @@ -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; |