Commit 2d4cdd6f authored May 17, 2010 by Peter Ujfalusi Committed by Liam Girdwood May 17, 2010

ASoC: tlv320dac33: Avoid powering off while in BIAS_OFF



Avoid calling the dac33_hard_power when the codec was
already in BIAS_OFF state.
This could happen in device suspend and module removal
time.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@nokia.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>

parent 7fd1d74b

sound/soc/codecs/tlv320dac33.c

+3 −0

Original line number	Original line	Diff line number	Diff line
	@@ -589,6 +589,9 @@ static int dac33_set_bias_level(struct snd_soc_codec *codec,
	}		}
	break;		break;
	case SND_SOC_BIAS_OFF:		case SND_SOC_BIAS_OFF:
			/* Do not power off, when the codec is already off */
			if (codec->bias_level == SND_SOC_BIAS_OFF)
			return 0;
	ret = dac33_hard_power(codec, 0);		ret = dac33_hard_power(codec, 0);
	if (ret != 0)		if (ret != 0)
	return ret;		return ret;