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;
 }