diff options
Diffstat (limited to 'sound/ppc/beep.c')
| -rw-r--r-- | sound/ppc/beep.c | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/sound/ppc/beep.c b/sound/ppc/beep.c index bf289783eafd..ab2468790b0c 100644 --- a/sound/ppc/beep.c +++ b/sound/ppc/beep.c @@ -88,7 +88,6 @@ static int snd_pmac_beep_event(struct input_dev *dev, unsigned int type, { struct snd_pmac *chip; struct pmac_beep *beep; - unsigned long flags; int beep_speed = 0; int srate; int period, ncycles, nsamples; @@ -112,10 +111,9 @@ static int snd_pmac_beep_event(struct input_dev *dev, unsigned int type, return -1; if (! hz) { - spin_lock_irqsave(&chip->reg_lock, flags); + guard(spinlock_irqsave)(&chip->reg_lock); if (beep->running) snd_pmac_beep_stop(chip); - spin_unlock_irqrestore(&chip->reg_lock, flags); return 0; } @@ -125,13 +123,11 @@ static int snd_pmac_beep_event(struct input_dev *dev, unsigned int type, if (hz <= srate / BEEP_BUFLEN || hz > srate / 2) hz = 1000; - spin_lock_irqsave(&chip->reg_lock, flags); - if (chip->playback.running || chip->capture.running || beep->running) { - spin_unlock_irqrestore(&chip->reg_lock, flags); - return 0; + scoped_guard(spinlock_irqsave, &chip->reg_lock) { + if (chip->playback.running || chip->capture.running || beep->running) + return 0; + beep->running = 1; } - beep->running = 1; - spin_unlock_irqrestore(&chip->reg_lock, flags); if (hz == beep->hz && beep->volume == beep->volume_play) { nsamples = beep->nsamples; @@ -151,9 +147,8 @@ static int snd_pmac_beep_event(struct input_dev *dev, unsigned int type, beep->nsamples = nsamples; } - spin_lock_irqsave(&chip->reg_lock, flags); + guard(spinlock_irqsave)(&chip->reg_lock); snd_pmac_beep_dma_start(chip, beep->nsamples * 4, beep->addr, beep_speed); - spin_unlock_irqrestore(&chip->reg_lock, flags); return 0; } |