1 files changed, 8 insertions, 6 deletions

diff --git a/sound/pci/ac97/ac97_proc.c b/sound/pci/ac97/ac97_proc.c
index 7134b3f55fb5..4d523df79cc7 100644
--- a/sound/pci/ac97/ac97_proc.c
+++ b/sound/pci/ac97/ac97_proc.c
@@ -24,6 +24,8 @@
 
 #include <sound/driver.h>
 #include <linux/slab.h>
+#include <linux/mutex.h>
+
 #include <sound/core.h>
 #include <sound/ac97_codec.h>
 #include <sound/asoundef.h>
@@ -338,7 +340,7 @@ static void snd_ac97_proc_read(struct snd_info_entry *entry, struct snd_info_buf
 {
         struct snd_ac97 *ac97 = entry->private_data;
         
-        down(&ac97->page_mutex);
+        mutex_lock(&ac97->page_mutex);
         if ((ac97->id & 0xffffff40) == AC97_ID_AD1881) {        // Analog Devices AD1881/85/86
                 int idx;
                 for (idx = 0; idx < 3; idx++)
@@ -364,7 +366,7 @@ static void snd_ac97_proc_read(struct snd_info_entry *entry, struct snd_info_buf
         } else {
                 snd_ac97_proc_read_main(ac97, buffer, 0);
         }
-        up(&ac97->page_mutex);
+        mutex_unlock(&ac97->page_mutex);
 }
 
 #ifdef CONFIG_SND_DEBUG
@@ -374,7 +376,7 @@ static void snd_ac97_proc_regs_write(struct snd_info_entry *entry, struct snd_in
         struct snd_ac97 *ac97 = entry->private_data;
         char line[64];
         unsigned int reg, val;
-        down(&ac97->page_mutex);
+        mutex_lock(&ac97->page_mutex);
         while (!snd_info_get_line(buffer, line, sizeof(line))) {
                 if (sscanf(line, "%x %x", &reg, &val) != 2)
                         continue;
@@ -382,7 +384,7 @@ static void snd_ac97_proc_regs_write(struct snd_info_entry *entry, struct snd_in
                 if (reg < 0x80 && (reg & 1) == 0 && val <= 0xffff)
                         snd_ac97_write_cache(ac97, reg, val);
         }
-        up(&ac97->page_mutex);
+        mutex_unlock(&ac97->page_mutex);
 }
 #endif
 
@@ -401,7 +403,7 @@ static void snd_ac97_proc_regs_read(struct snd_info_entry *entry,
 {
         struct snd_ac97 *ac97 = entry->private_data;
 
-        down(&ac97->page_mutex);
+        mutex_lock(&ac97->page_mutex);
         if ((ac97->id & 0xffffff40) == AC97_ID_AD1881) {        // Analog Devices AD1881/85/86
 
                 int idx;
@@ -417,7 +419,7 @@ static void snd_ac97_proc_regs_read(struct snd_info_entry *entry,
         } else {
                 snd_ac97_proc_regs_read_main(ac97, buffer, 0);
         }       
-        up(&ac97->page_mutex);
+        mutex_unlock(&ac97->page_mutex);
 }
 
 void snd_ac97_proc_init(struct snd_ac97 * ac97)