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path: root/sound/pci/ac97/ac97_patch.c
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Diffstat (limited to 'sound/pci/ac97/ac97_patch.c')
-rw-r--r--sound/pci/ac97/ac97_patch.c10
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;
}