diff options
| author | Cliff Cai | 2009-06-02 00:18:54 -0400 |
|---|---|---|
| committer | Mark Brown | 2009-06-03 11:38:23 +0100 |
| commit | f692fce0cf8625b6cc8678e802fb0e2e657b1ca6 (patch) | |
| tree | 6fce62466d1a3c7ac6e05e86d57b381db41ac234 | |
| parent | cf485da15a3b507c7dab42337639e4f4025d3373 (diff) | |
ASoC: SSM2602: assign last substream to the master when shutting down
Fixes crash when shutting down.
Signed-off-by: Cliff Cai <cliff.cai@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
| -rw-r--r-- | sound/soc/codecs/ssm2602.c | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/sound/soc/codecs/ssm2602.c b/sound/soc/codecs/ssm2602.c index d6af069b7ed1..1fc4c8e0899c 100644 --- a/sound/soc/codecs/ssm2602.c +++ b/sound/soc/codecs/ssm2602.c @@ -336,15 +336,17 @@ static int ssm2602_startup(struct snd_pcm_substream *substream, master_runtime->sample_bits, master_runtime->rate); - snd_pcm_hw_constraint_minmax(substream->runtime, - SNDRV_PCM_HW_PARAM_RATE, - master_runtime->rate, - master_runtime->rate); - - snd_pcm_hw_constraint_minmax(substream->runtime, - SNDRV_PCM_HW_PARAM_SAMPLE_BITS, - master_runtime->sample_bits, - master_runtime->sample_bits); + if (master_runtime->rate != 0) + snd_pcm_hw_constraint_minmax(substream->runtime, + SNDRV_PCM_HW_PARAM_RATE, + master_runtime->rate, + master_runtime->rate); + + if (master_runtime->sample_bits != 0) + snd_pcm_hw_constraint_minmax(substream->runtime, + SNDRV_PCM_HW_PARAM_SAMPLE_BITS, + master_runtime->sample_bits, + master_runtime->sample_bits); ssm2602->slave_substream = substream; } else @@ -372,6 +374,11 @@ static void ssm2602_shutdown(struct snd_pcm_substream *substream, struct snd_soc_device *socdev = rtd->socdev; struct snd_soc_codec *codec = socdev->card->codec; struct ssm2602_priv *ssm2602 = codec->private_data; + + if (ssm2602->master_substream == substream) + ssm2602->master_substream = ssm2602->slave_substream; + + ssm2602->slave_substream = NULL; /* deactivate */ if (!codec->active) ssm2602_write(codec, SSM2602_ACTIVE, 0); |