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OMAP: ASoC: Fix spinlock misuse in omap-pcm.c 

omap_pcm_trigger is called also in interrupt context so CPU flags must
be restored when returning.

Signed-off-by: Eero Nurkkala <ext-eero.nurkkala@nokia.com>
Acked-by: Jarkko Nikula <jarkko.nikula@nokia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Eero Nurkkala 2009-02-02 14:20:46 +02:00 committed by Mark Brown
parent ef390c0b6e
commit 21dff43456
1 changed files with 3 additions and 2 deletions
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5
sound/soc/omap/omap-pcm.c
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@ -175,9 +175,10 @@ static int omap_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct omap_runtime_data *prtd = runtime->private_data;
unsigned long flags;
int ret = 0;
spin_lock_irq(&prtd->lock);
spin_lock_irqsave(&prtd->lock, flags);
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_RESUME:
@ -195,7 +196,7 @@ static int omap_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
default:
ret = -EINVAL;
}
spin_unlock_irq(&prtd->lock);
spin_unlock_irqrestore(&prtd->lock, flags);
return ret;
}