diff options
Diffstat (limited to 'sound/pci/ac97/ac97_proc.c')
| -rw-r--r-- | sound/pci/ac97/ac97_proc.c | 14 |
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", ®, &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) |