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authorTakashi Iwai <tiwai@suse.de>2014-11-07 17:08:28 +0100
committerTakashi Iwai <tiwai@suse.de>2014-11-09 18:20:40 +0100
commit1fb8510cdb5b7befe8a59f533c7fc12ef0dac73e (patch)
treeb44569425ea7683d02893cfd145081a11d7677f1 /sound/usb/endpoint.c
parentALSA: snd_ctl_activate_id(): Fix index look-up (diff)
downloadlinux-1fb8510cdb5b7befe8a59f533c7fc12ef0dac73e.tar.xz
linux-1fb8510cdb5b7befe8a59f533c7fc12ef0dac73e.zip
ALSA: pcm: Add snd_pcm_stop_xrun() helper
Add a new helper function snd_pcm_stop_xrun() to the standard sequnce lock/snd_pcm_stop(XRUN)/unlock by a single call, and replace the existing open codes with this helper. The function checks the PCM running state to prevent setting the wrong state, too, for more safety. Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb/endpoint.c')
-rw-r--r--sound/usb/endpoint.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c
index a4679913b0aa..03b074419964 100644
--- a/sound/usb/endpoint.c
+++ b/sound/usb/endpoint.c
@@ -391,9 +391,7 @@ static void snd_complete_urb(struct urb *urb)
usb_audio_err(ep->chip, "cannot submit urb (err = %d)\n", err);
if (ep->data_subs && ep->data_subs->pcm_substream) {
substream = ep->data_subs->pcm_substream;
- snd_pcm_stream_lock_irqsave(substream, flags);
- snd_pcm_stop(substream, SNDRV_PCM_STATE_XRUN);
- snd_pcm_stream_unlock_irqrestore(substream, flags);
+ snd_pcm_stop_xrun(substream);
}
exit_clear: