Commit 84ac9bb1 authored by Takashi Iwai's avatar Takashi Iwai
Browse files

ALSA: line6: Drop superfluous irqsave/irqrestore in PCM trigger callback 



The PCM trigger callback is guaranteed to be called already in
spinlock / irq-disabled context.

Tested-by: default avatarChris Rorvick <chris@rorvick.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 7d70c81c

sound/usb/line6/pcm.c

+4 −7
Original line number Diff line number Diff line
@@ -227,9 +227,8 @@ int snd_line6_trigger(struct snd_pcm_substream *substream, int cmd) 
	struct snd_line6_pcm *line6pcm = snd_pcm_substream_chip(substream);

	struct snd_pcm_substream *s;

	int err;

	unsigned long flags;



	spin_lock_irqsave(&line6pcm->lock_trigger, flags);

	spin_lock(&line6pcm->lock_trigger);

	clear_bit(LINE6_INDEX_PREPARED, &line6pcm->flags);



	snd_pcm_group_for_each_entry(s, substream) {
@@ -240,8 +239,7 @@ int snd_line6_trigger(struct snd_pcm_substream *substream, int cmd) 
			err = snd_line6_playback_trigger(line6pcm, cmd);



			if (err < 0) {

				spin_unlock_irqrestore(&line6pcm->lock_trigger,

						       flags);

				spin_unlock(&line6pcm->lock_trigger);

				return err;

			}
@@ -251,8 +249,7 @@ int snd_line6_trigger(struct snd_pcm_substream *substream, int cmd) 
			err = snd_line6_capture_trigger(line6pcm, cmd);



			if (err < 0) {

				spin_unlock_irqrestore(&line6pcm->lock_trigger,

						       flags);

				spin_unlock(&line6pcm->lock_trigger);

				return err;

			}
@@ -264,7 +261,7 @@ int snd_line6_trigger(struct snd_pcm_substream *substream, int cmd) 
		}

	}



	spin_unlock_irqrestore(&line6pcm->lock_trigger, flags);

	spin_unlock(&line6pcm->lock_trigger);

	return 0;

}