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path: root/sound/pci/ac97/ac97_pcm.c
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Diffstat (limited to 'sound/pci/ac97/ac97_pcm.c')
-rw-r--r--sound/pci/ac97/ac97_pcm.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/sound/pci/ac97/ac97_pcm.c b/sound/pci/ac97/ac97_pcm.c
index c3e590bf7a02..512a3583b0ce 100644
--- a/sound/pci/ac97/ac97_pcm.c
+++ b/sound/pci/ac97/ac97_pcm.c
@@ -27,6 +27,8 @@
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/slab.h>
+#include <linux/mutex.h>
+
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/control.h>
@@ -206,7 +208,7 @@ static int set_spdif_rate(struct snd_ac97 *ac97, unsigned short rate)
mask = AC97_SC_SPSR_MASK;
}
- down(&ac97->reg_mutex);
+ mutex_lock(&ac97->reg_mutex);
old = snd_ac97_read(ac97, reg) & mask;
if (old != bits) {
snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0);
@@ -231,7 +233,7 @@ static int set_spdif_rate(struct snd_ac97 *ac97, unsigned short rate)
ac97->spdif_status = sbits;
}
snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF);
- up(&ac97->reg_mutex);
+ mutex_unlock(&ac97->reg_mutex);
return 0;
}