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path: root/sound/pci/cmipci.c
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Diffstat (limited to 'sound/pci/cmipci.c')
-rw-r--r--sound/pci/cmipci.c25
1 files changed, 13 insertions, 12 deletions
diff --git a/sound/pci/cmipci.c b/sound/pci/cmipci.c
index c03b0a0a3b2..2ecbddbbdcf 100644
--- a/sound/pci/cmipci.c
+++ b/sound/pci/cmipci.c
@@ -29,6 +29,7 @@
#include <linux/slab.h>
#include <linux/gameport.h>
#include <linux/moduleparam.h>
+#include <linux/mutex.h>
#include <sound/core.h>
#include <sound/info.h>
#include <sound/control.h>
@@ -439,7 +440,7 @@ struct cmipci {
struct snd_pcm_hardware *hw_info[3]; /* for playbacks */
int opened[2]; /* open mode */
- struct semaphore open_mutex;
+ struct mutex open_mutex;
unsigned int mixer_insensitive: 1;
struct snd_kcontrol *mixer_res_ctl[CM_SAVED_MIXERS];
@@ -641,14 +642,14 @@ static int snd_cmipci_playback2_hw_params(struct snd_pcm_substream *substream,
{
struct cmipci *cm = snd_pcm_substream_chip(substream);
if (params_channels(hw_params) > 2) {
- down(&cm->open_mutex);
+ mutex_lock(&cm->open_mutex);
if (cm->opened[CM_CH_PLAY]) {
- up(&cm->open_mutex);
+ mutex_unlock(&cm->open_mutex);
return -EBUSY;
}
/* reserve the channel A */
cm->opened[CM_CH_PLAY] = CM_OPEN_PLAYBACK_MULTI;
- up(&cm->open_mutex);
+ mutex_unlock(&cm->open_mutex);
}
return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
}
@@ -1461,9 +1462,9 @@ static int open_device_check(struct cmipci *cm, int mode, struct snd_pcm_substre
* pcm framework doesn't pass file pointer before actually opened,
* we can't know whether blocking mode or not in open callback..
*/
- down(&cm->open_mutex);
+ mutex_lock(&cm->open_mutex);
if (cm->opened[ch]) {
- up(&cm->open_mutex);
+ mutex_unlock(&cm->open_mutex);
return -EBUSY;
}
cm->opened[ch] = mode;
@@ -1475,7 +1476,7 @@ static int open_device_check(struct cmipci *cm, int mode, struct snd_pcm_substre
snd_cmipci_clear_bit(cm, CM_REG_MISC_CTRL, CM_ENDBDAC);
spin_unlock_irq(&cm->reg_lock);
}
- up(&cm->open_mutex);
+ mutex_unlock(&cm->open_mutex);
return 0;
}
@@ -1483,7 +1484,7 @@ static void close_device_check(struct cmipci *cm, int mode)
{
int ch = mode & CM_OPEN_CH_MASK;
- down(&cm->open_mutex);
+ mutex_lock(&cm->open_mutex);
if (cm->opened[ch] == mode) {
if (cm->channel[ch].substream) {
snd_cmipci_ch_reset(cm, ch);
@@ -1499,7 +1500,7 @@ static void close_device_check(struct cmipci *cm, int mode)
spin_unlock_irq(&cm->reg_lock);
}
}
- up(&cm->open_mutex);
+ mutex_unlock(&cm->open_mutex);
}
/*
@@ -1546,7 +1547,7 @@ static int snd_cmipci_playback2_open(struct snd_pcm_substream *substream)
if ((err = open_device_check(cm, CM_OPEN_PLAYBACK2, substream)) < 0) /* use channel B */
return err;
runtime->hw = snd_cmipci_playback2;
- down(&cm->open_mutex);
+ mutex_lock(&cm->open_mutex);
if (! cm->opened[CM_CH_PLAY]) {
if (cm->can_multi_ch) {
runtime->hw.channels_max = cm->max_channels;
@@ -1559,7 +1560,7 @@ static int snd_cmipci_playback2_open(struct snd_pcm_substream *substream)
}
snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 0, 0x10000);
}
- up(&cm->open_mutex);
+ mutex_unlock(&cm->open_mutex);
return 0;
}
@@ -2844,7 +2845,7 @@ static int __devinit snd_cmipci_create(struct snd_card *card, struct pci_dev *pc
}
spin_lock_init(&cm->reg_lock);
- init_MUTEX(&cm->open_mutex);
+ mutex_init(&cm->open_mutex);
cm->device = pci->device;
cm->card = card;
cm->pci = pci;