[ALSA] semaphore -> mutex (PCI part)

[mv-sheeva.git] / sound / pci / ac97 / ac97_patch.c

diff --git a/sound/pci/ac97/ac97_patch.c b/sound/pci/ac97/ac97_patch.c
index a444a78c7c9444c68724c36251c432c77457480a..8bc79cbe321523c6be863cb88915d30bd60f509b 100644 (file)
--- 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;
 }