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ALSA: pcm: Clean up SNDRV_PCM_IOCTL_PAUSE code 

Use snd_pcm_action_lock_irq() helper instead of open coding.
No functional change.

Reviewed-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2016-05-24 14:58:04 +02:00
parent 7f8a01b77b
commit 34bcc44abb
1 changed files with 3 additions and 7 deletions
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10
sound/core/pcm_native.c
View File

@ -2865,13 +2865,9 @@ static int snd_pcm_common_ioctl1(struct file *file,
case SNDRV_PCM_IOCTL_DROP:
return snd_pcm_drop(substream);
case SNDRV_PCM_IOCTL_PAUSE:
{
int res;
snd_pcm_stream_lock_irq(substream);
res = snd_pcm_pause(substream, (int)(unsigned long)arg);
snd_pcm_stream_unlock_irq(substream);
return res;
}
return snd_pcm_action_lock_irq(&snd_pcm_action_pause,
substream,
(int)(unsigned long)arg);
}
pcm_dbg(substream->pcm, "unknown ioctl = 0x%x\n", cmd);
return -ENOTTY;