diff options
Diffstat (limited to 'sound/pci/cmipci.c')
| -rw-r--r-- | sound/pci/cmipci.c | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/sound/pci/cmipci.c b/sound/pci/cmipci.c index c03b0a0..2ecbddb 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; |