From: Eero Nurkkala <ext-eero.nurkkala@xxxxxxxxx>
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@xxxxxxxxx>
Acked-by: Jarkko Nikula <jarkko.nikula@xxxxxxxxx>
---
sound/soc/omap/omap-pcm.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/sound/soc/omap/omap-pcm.c b/sound/soc/omap/omap-pcm.c
index b0362df..dd3bb29 100644
--- a/sound/soc/omap/omap-pcm.c
+++ b/sound/soc/omap/omap-pcm.c
@@ -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;
}
--
1.5.6.5
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