diff options
| author | Peter Ujfalusi <peter.ujfalusi@nokia.com> | 2010-05-17 14:21:46 +0300 |
|---|---|---|
| committer | Liam Girdwood <lrg@slimlogic.co.uk> | 2010-05-17 20:34:15 +0100 |
| commit | 2d4cdd6fc974716555fcbaf7ec1d4dda22784c1b (patch) | |
| tree | c49219ad57135d6722142c54f18fd79f7cc5bc2f /sound/soc/codecs/tlv320dac33.c | |
| parent | 7fd1d74bfc0ecf3dfa139b47daa7941841724886 (diff) | |
| download | blackbird-op-linux-2d4cdd6fc974716555fcbaf7ec1d4dda22784c1b.tar.gz blackbird-op-linux-2d4cdd6fc974716555fcbaf7ec1d4dda22784c1b.zip | |
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>
Diffstat (limited to 'sound/soc/codecs/tlv320dac33.c')
| -rw-r--r-- | sound/soc/codecs/tlv320dac33.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sound/soc/codecs/tlv320dac33.c b/sound/soc/codecs/tlv320dac33.c index ad1795a83acb..bcf6d934499a 100644 --- a/sound/soc/codecs/tlv320dac33.c +++ b/sound/soc/codecs/tlv320dac33.c @@ -589,6 +589,9 @@ static int dac33_set_bias_level(struct snd_soc_codec *codec, } 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; |
