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>
diff --git a/sound/soc/codecs/tlv320dac33.c b/sound/soc/codecs/tlv320dac33.c
index ad1795a..bcf6d93 100644
--- a/sound/soc/codecs/tlv320dac33.c
+++ b/sound/soc/codecs/tlv320dac33.c
@@ -589,6 +589,9 @@
}
break;
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);
if (ret != 0)
return ret;