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Diffstat (limited to 'sound/pci/hda/hda_intel.c')
-rw-r--r--sound/pci/hda/hda_intel.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index b3f37e7..dbed264 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -43,6 +43,7 @@
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/pci.h>
+#include <linux/mutex.h>
#include <sound/core.h>
#include <sound/initval.h>
#include "hda_codec.h"
@@ -297,7 +298,7 @@ struct azx {
/* locks */
spinlock_t reg_lock;
- struct semaphore open_mutex;
+ struct mutex open_mutex;
/* streams (x num_streams) */
struct azx_dev *azx_dev;
@@ -993,10 +994,10 @@ static int azx_pcm_open(struct snd_pcm_substream *substream)
unsigned long flags;
int err;
- down(&chip->open_mutex);
+ mutex_lock(&chip->open_mutex);
azx_dev = azx_assign_device(chip, substream->stream);
if (azx_dev == NULL) {
- up(&chip->open_mutex);
+ mutex_unlock(&chip->open_mutex);
return -EBUSY;
}
runtime->hw = azx_pcm_hw;
@@ -1008,7 +1009,7 @@ static int azx_pcm_open(struct snd_pcm_substream *substream)
snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
if ((err = hinfo->ops.open(hinfo, apcm->codec, substream)) < 0) {
azx_release_device(azx_dev);
- up(&chip->open_mutex);
+ mutex_unlock(&chip->open_mutex);
return err;
}
spin_lock_irqsave(&chip->reg_lock, flags);
@@ -1017,7 +1018,7 @@ static int azx_pcm_open(struct snd_pcm_substream *substream)
spin_unlock_irqrestore(&chip->reg_lock, flags);
runtime->private_data = azx_dev;
- up(&chip->open_mutex);
+ mutex_unlock(&chip->open_mutex);
return 0;
}
@@ -1029,14 +1030,14 @@ static int azx_pcm_close(struct snd_pcm_substream *substream)
struct azx_dev *azx_dev = get_azx_dev(substream);
unsigned long flags;
- down(&chip->open_mutex);
+ mutex_lock(&chip->open_mutex);
spin_lock_irqsave(&chip->reg_lock, flags);
azx_dev->substream = NULL;
azx_dev->running = 0;
spin_unlock_irqrestore(&chip->reg_lock, flags);
azx_release_device(azx_dev);
hinfo->ops.close(hinfo, apcm->codec, substream);
- up(&chip->open_mutex);
+ mutex_unlock(&chip->open_mutex);
return 0;
}
@@ -1408,7 +1409,7 @@ static int __devinit azx_create(struct snd_card *card, struct pci_dev *pci,
}
spin_lock_init(&chip->reg_lock);
- init_MUTEX(&chip->open_mutex);
+ mutex_init(&chip->open_mutex);
chip->card = card;
chip->pci = pci;
chip->irq = -1;