diff options
Diffstat (limited to 'sound/pci/ac97/ac97_patch.c')
| -rw-r--r-- | sound/pci/ac97/ac97_patch.c | 10 |
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; } |