diff options
Diffstat (limited to 'sound/oss/ite8172.c')
-rw-r--r-- | sound/oss/ite8172.c | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/sound/oss/ite8172.c b/sound/oss/ite8172.c index 8fd2f9a9e66..00ac1c95a42 100644 --- a/sound/oss/ite8172.c +++ b/sound/oss/ite8172.c @@ -71,6 +71,8 @@ #include <linux/smp_lock.h> #include <linux/ac97_codec.h> #include <linux/interrupt.h> +#include <linux/mutex.h> + #include <asm/io.h> #include <asm/dma.h> #include <asm/uaccess.h> @@ -304,7 +306,7 @@ struct it8172_state { unsigned dacrate, adcrate; spinlock_t lock; - struct semaphore open_sem; + struct mutex open_mutex; mode_t open_mode; wait_queue_head_t open_wait; @@ -1801,21 +1803,21 @@ static int it8172_open(struct inode *inode, struct file *file) } file->private_data = s; /* wait for device to become free */ - down(&s->open_sem); + mutex_lock(&s->open_mutex); while (s->open_mode & file->f_mode) { if (file->f_flags & O_NONBLOCK) { - up(&s->open_sem); + mutex_unlock(&s->open_mutex); return -EBUSY; } add_wait_queue(&s->open_wait, &wait); __set_current_state(TASK_INTERRUPTIBLE); - up(&s->open_sem); + mutex_unlock(&s->open_mutex); schedule(); remove_wait_queue(&s->open_wait, &wait); set_current_state(TASK_RUNNING); if (signal_pending(current)) return -ERESTARTSYS; - down(&s->open_sem); + mutex_lock(&s->open_mutex); } spin_lock_irqsave(&s->lock, flags); @@ -1850,7 +1852,7 @@ static int it8172_open(struct inode *inode, struct file *file) spin_unlock_irqrestore(&s->lock, flags); s->open_mode |= (file->f_mode & (FMODE_READ | FMODE_WRITE)); - up(&s->open_sem); + mutex_unlock(&s->open_mutex); return nonseekable_open(inode, file); } @@ -1864,7 +1866,7 @@ static int it8172_release(struct inode *inode, struct file *file) lock_kernel(); if (file->f_mode & FMODE_WRITE) drain_dac(s, file->f_flags & O_NONBLOCK); - down(&s->open_sem); + mutex_lock(&s->open_mutex); if (file->f_mode & FMODE_WRITE) { stop_dac(s); dealloc_dmabuf(s, &s->dma_dac); @@ -1874,7 +1876,7 @@ static int it8172_release(struct inode *inode, struct file *file) dealloc_dmabuf(s, &s->dma_adc); } s->open_mode &= ((~file->f_mode) & (FMODE_READ|FMODE_WRITE)); - up(&s->open_sem); + mutex_unlock(&s->open_mutex); wake_up(&s->open_wait); unlock_kernel(); return 0; @@ -1966,9 +1968,9 @@ static int i2s_fmt[NR_DEVICE]; static unsigned int devindex; -MODULE_PARM(spdif, "1-" __MODULE_STRING(NR_DEVICE) "i"); +module_param_array(spdif, int, NULL, 0); MODULE_PARM_DESC(spdif, "if 1 the S/PDIF digital output is enabled"); -MODULE_PARM(i2s_fmt, "1-" __MODULE_STRING(NR_DEVICE) "i"); +module_param_array(i2s_fmt, int, NULL, 0); MODULE_PARM_DESC(i2s_fmt, "the format of I2S"); MODULE_AUTHOR("Monta Vista Software, stevel@mvista.com"); @@ -1997,7 +1999,7 @@ static int __devinit it8172_probe(struct pci_dev *pcidev, init_waitqueue_head(&s->dma_adc.wait); init_waitqueue_head(&s->dma_dac.wait); init_waitqueue_head(&s->open_wait); - init_MUTEX(&s->open_sem); + mutex_init(&s->open_mutex); spin_lock_init(&s->lock); s->dev = pcidev; s->io = pci_resource_start(pcidev, 0); |