From 1fb8510cdb5b7befe8a59f533c7fc12ef0dac73e Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Fri, 7 Nov 2014 17:08:28 +0100 Subject: 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 --- sound/usb/usx2y/usbusx2yaudio.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) (limited to 'sound/usb/usx2y/usbusx2yaudio.c') diff --git a/sound/usb/usx2y/usbusx2yaudio.c b/sound/usb/usx2y/usbusx2yaudio.c index a63330dd1407..61d5dc2a3421 100644 --- a/sound/usb/usx2y/usbusx2yaudio.c +++ b/sound/usb/usx2y/usbusx2yaudio.c @@ -272,13 +272,8 @@ static void usX2Y_clients_stop(struct usX2Ydev *usX2Y) for (s = 0; s < 4; s++) { struct snd_usX2Y_substream *subs = usX2Y->subs[s]; if (subs) { - if (atomic_read(&subs->state) >= state_PRERUNNING) { - unsigned long flags; - - snd_pcm_stream_lock_irqsave(subs->pcm_substream, flags); - snd_pcm_stop(subs->pcm_substream, SNDRV_PCM_STATE_XRUN); - snd_pcm_stream_unlock_irqrestore(subs->pcm_substream, flags); - } + if (atomic_read(&subs->state) >= state_PRERUNNING) + snd_pcm_stop_xrun(subs->pcm_substream); for (u = 0; u < NRURBS; u++) { struct urb *urb = subs->urb[u]; if (NULL != urb) -- cgit