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path: root/sound/pci/emu10k1/emufx.c
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Diffstat (limited to 'sound/pci/emu10k1/emufx.c')
-rw-r--r--sound/pci/emu10k1/emufx.c22
1 files changed, 12 insertions, 10 deletions
diff --git a/sound/pci/emu10k1/emufx.c b/sound/pci/emu10k1/emufx.c
index 509837252735..dfba00230d4d 100644
--- a/sound/pci/emu10k1/emufx.c
+++ b/sound/pci/emu10k1/emufx.c
@@ -32,6 +32,8 @@
#include <linux/slab.h>
#include <linux/vmalloc.h>
#include <linux/init.h>
+#include <linux/mutex.h>
+
#include <sound/core.h>
#include <sound/emu10k1.h>
@@ -874,7 +876,7 @@ static int snd_emu10k1_icode_poke(struct snd_emu10k1 *emu,
{
int err = 0;
- down(&emu->fx8010.lock);
+ mutex_lock(&emu->fx8010.lock);
if ((err = snd_emu10k1_verify_controls(emu, icode)) < 0)
goto __error;
strlcpy(emu->fx8010.name, icode->name, sizeof(emu->fx8010.name));
@@ -897,7 +899,7 @@ static int snd_emu10k1_icode_poke(struct snd_emu10k1 *emu,
else
snd_emu10k1_ptr_write(emu, DBG, 0, emu->fx8010.dbg);
__error:
- up(&emu->fx8010.lock);
+ mutex_unlock(&emu->fx8010.lock);
return err;
}
@@ -906,7 +908,7 @@ static int snd_emu10k1_icode_peek(struct snd_emu10k1 *emu,
{
int err;
- down(&emu->fx8010.lock);
+ mutex_lock(&emu->fx8010.lock);
strlcpy(icode->name, emu->fx8010.name, sizeof(icode->name));
/* ok, do the main job */
err = snd_emu10k1_gpr_peek(emu, icode);
@@ -916,7 +918,7 @@ static int snd_emu10k1_icode_peek(struct snd_emu10k1 *emu,
err = snd_emu10k1_code_peek(emu, icode);
if (err >= 0)
err = snd_emu10k1_list_controls(emu, icode);
- up(&emu->fx8010.lock);
+ mutex_unlock(&emu->fx8010.lock);
return err;
}
@@ -932,7 +934,7 @@ static int snd_emu10k1_ipcm_poke(struct snd_emu10k1 *emu,
if (ipcm->channels > 32)
return -EINVAL;
pcm = &emu->fx8010.pcm[ipcm->substream];
- down(&emu->fx8010.lock);
+ mutex_lock(&emu->fx8010.lock);
spin_lock_irq(&emu->reg_lock);
if (pcm->opened) {
err = -EBUSY;
@@ -962,7 +964,7 @@ static int snd_emu10k1_ipcm_poke(struct snd_emu10k1 *emu,
}
__error:
spin_unlock_irq(&emu->reg_lock);
- up(&emu->fx8010.lock);
+ mutex_unlock(&emu->fx8010.lock);
return err;
}
@@ -976,7 +978,7 @@ static int snd_emu10k1_ipcm_peek(struct snd_emu10k1 *emu,
if (ipcm->substream >= EMU10K1_FX8010_PCM_COUNT)
return -EINVAL;
pcm = &emu->fx8010.pcm[ipcm->substream];
- down(&emu->fx8010.lock);
+ mutex_lock(&emu->fx8010.lock);
spin_lock_irq(&emu->reg_lock);
ipcm->channels = pcm->channels;
ipcm->tram_start = pcm->tram_start;
@@ -992,7 +994,7 @@ static int snd_emu10k1_ipcm_peek(struct snd_emu10k1 *emu,
ipcm->res1 = ipcm->res2 = 0;
ipcm->pad = 0;
spin_unlock_irq(&emu->reg_lock);
- up(&emu->fx8010.lock);
+ mutex_unlock(&emu->fx8010.lock);
return err;
}
@@ -2308,9 +2310,9 @@ static int snd_emu10k1_fx8010_ioctl(struct snd_hwdep * hw, struct file *file, un
return -EPERM;
if (get_user(addr, (unsigned int __user *)argp))
return -EFAULT;
- down(&emu->fx8010.lock);
+ mutex_lock(&emu->fx8010.lock);
res = snd_emu10k1_fx8010_tram_setup(emu, addr);
- up(&emu->fx8010.lock);
+ mutex_unlock(&emu->fx8010.lock);
return res;
case SNDRV_EMU10K1_IOCTL_STOP:
if (!capable(CAP_SYS_ADMIN))