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Commit 1bc1f305 authored by Stas Sergeev's avatar Stas Sergeev Committed by Takashi Iwai
Browse files

[ALSA] pcsp: locking fix 



pcsp: locking fix.

Signed-off-by: default avatarStas Sergeev <stsp@aknet.ru>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent bb9f76cd

sound/drivers/pcsp/pcsp.c

+2 −3
Original line number Diff line number Diff line
@@ -191,11 +191,10 @@ static int __devexit pcsp_remove(struct platform_device *dev) 


static void pcsp_stop_beep(struct snd_pcsp *chip)

{

	unsigned long flags;

	spin_lock_irqsave(&chip->substream_lock, flags);

	spin_lock_irq(&chip->substream_lock);

	if (!chip->playback_substream)

		pcspkr_stop_sound();

	spin_unlock_irqrestore(&chip->substream_lock, flags);

	spin_unlock_irq(&chip->substream_lock);

}



static int pcsp_suspend(struct platform_device *dev, pm_message_t state)

sound/drivers/pcsp/pcsp_lib.c

+2 −0
Original line number Diff line number Diff line
@@ -305,7 +305,9 @@ static int snd_pcsp_playback_open(struct snd_pcm_substream *substream) 
		return -EBUSY;

	}

	runtime->hw = snd_pcsp_playback;

	spin_lock_irq(&chip->substream_lock);

	chip->playback_substream = substream;

	spin_unlock_irq(&chip->substream_lock);

	return 0;

}