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Commit 2bdc1bb2 authored by Mark Brown's avatar Mark Brown
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ASoC: sgtl5000: Make device cache only when powered off 



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: default avatarMark Brown <broonie@linaro.org>
parent dd4d2d6d

sound/soc/codecs/sgtl5000.c

+15 −0
Original line number Diff line number Diff line
@@ -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;