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ASoC: sgtl5000: Make device cache only when powered off

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When the regulators have been disabled mark the device as cache only so
that we don't try to interact with the hardware.

Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Mark Brown 2013-06-03 10:20:39 +01:00
parent dd4d2d6dfb
commit 2bdc1bb2b4
1 changed files with 15 additions and 0 deletions
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15
sound/soc/codecs/sgtl5000.c
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@ -907,10 +907,25 @@ static int sgtl5000_set_bias_level(struct snd_soc_codec *codec,
if (ret)
return ret;
udelay(10);
regcache_cache_only(sgtl5000->regmap, false);
ret = regcache_sync(sgtl5000->regmap);
if (ret != 0) {
dev_err(codec->dev,
"Failed to restore cache: %d\n", ret);
regcache_cache_only(sgtl5000->regmap, true);
regulator_bulk_disable(ARRAY_SIZE(sgtl5000->supplies),
sgtl5000->supplies);
return ret;
}
}
break;
case SND_SOC_BIAS_OFF:
regcache_cache_only(sgtl5000->regmap, true);
regulator_bulk_disable(ARRAY_SIZE(sgtl5000->supplies),
sgtl5000->supplies);
break;