1 files changed, 6 insertions, 4 deletions

diff --git a/sound/pci/ac97/ac97_patch.c b/sound/pci/ac97/ac97_patch.c
index a444a78c7c94..8bc79cbe3215 100644
--- a/sound/pci/ac97/ac97_patch.c
+++ b/sound/pci/ac97/ac97_patch.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>
@@ -55,12 +57,12 @@ static int ac97_update_bits_page(struct snd_ac97 *ac97, unsigned short reg, unsi
         unsigned short page_save;
         int ret;
 
-        down(&ac97->page_mutex);
+        mutex_lock(&ac97->page_mutex);
         page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK;
         snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page);
         ret = snd_ac97_update_bits(ac97, reg, mask, value);
         snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save);
-        up(&ac97->page_mutex); /* unlock paging */
+        mutex_unlock(&ac97->page_mutex); /* unlock paging */
         return ret;
 }
 
@@ -897,12 +899,12 @@ static int snd_ac97_stac9708_put_bias(struct snd_kcontrol *kcontrol, struct snd_
         struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
         int err;
 
-        down(&ac97->page_mutex);
+        mutex_lock(&ac97->page_mutex);
         snd_ac97_write(ac97, AC97_SIGMATEL_BIAS1, 0xabba);
         err = snd_ac97_update_bits(ac97, AC97_SIGMATEL_BIAS2, 0x0010,
                                    (ucontrol->value.integer.value[0] & 1) << 4);
         snd_ac97_write(ac97, AC97_SIGMATEL_BIAS1, 0);
-        up(&ac97->page_mutex);
+        mutex_unlock(&ac97->page_mutex);
         return err;
 }