X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=sound%2Foss%2Fbtaudio.c;fp=sound%2Foss%2Fbtaudio.c;h=4007a5680acb9807fcb5a5f012440b9eec288b7c;hb=64ba3f394c830ec48a1c31b53dcae312c56f1604;hp=324a81fd3a3b0e305adbd90859a361b45659e780;hpb=be1e6109ac94a859551f8e1774eb9a8469fe055c;p=linux-2.6.git diff --git a/sound/oss/btaudio.c b/sound/oss/btaudio.c index 324a81fd3..4007a5680 100644 --- a/sound/oss/btaudio.c +++ b/sound/oss/btaudio.c @@ -32,8 +32,6 @@ #include #include #include -#include - #include #include @@ -110,7 +108,7 @@ struct btaudio { /* locking */ int users; - struct mutex lock; + struct semaphore lock; /* risc instructions */ unsigned int risc_size; @@ -442,7 +440,7 @@ static struct file_operations btaudio_mixer_fops = { static int btaudio_dsp_open(struct inode *inode, struct file *file, struct btaudio *bta, int analog) { - mutex_lock(&bta->lock); + down(&bta->lock); if (bta->users) goto busy; bta->users++; @@ -454,11 +452,11 @@ static int btaudio_dsp_open(struct inode *inode, struct file *file, bta->read_count = 0; bta->sampleshift = 0; - mutex_unlock(&bta->lock); + up(&bta->lock); return 0; busy: - mutex_unlock(&bta->lock); + up(&bta->lock); return -EBUSY; } @@ -498,11 +496,11 @@ static int btaudio_dsp_release(struct inode *inode, struct file *file) { struct btaudio *bta = file->private_data; - mutex_lock(&bta->lock); + down(&bta->lock); if (bta->recording) stop_recording(bta); bta->users--; - mutex_unlock(&bta->lock); + up(&bta->lock); return 0; } @@ -515,7 +513,7 @@ static ssize_t btaudio_dsp_read(struct file *file, char __user *buffer, DECLARE_WAITQUEUE(wait, current); add_wait_queue(&bta->readq, &wait); - mutex_lock(&bta->lock); + down(&bta->lock); while (swcount > 0) { if (0 == bta->read_count) { if (!bta->recording) { @@ -530,10 +528,10 @@ static ssize_t btaudio_dsp_read(struct file *file, char __user *buffer, ret = -EAGAIN; break; } - mutex_unlock(&bta->lock); + up(&bta->lock); current->state = TASK_INTERRUPTIBLE; schedule(); - mutex_lock(&bta->lock); + down(&bta->lock); if(signal_pending(current)) { if (0 == ret) ret = -EINTR; @@ -606,7 +604,7 @@ static ssize_t btaudio_dsp_read(struct file *file, char __user *buffer, if (bta->read_offset == bta->buf_size) bta->read_offset = 0; } - mutex_unlock(&bta->lock); + up(&bta->lock); remove_wait_queue(&bta->readq, &wait); current->state = TASK_RUNNING; return ret; @@ -653,10 +651,10 @@ static int btaudio_dsp_ioctl(struct inode *inode, struct file *file, bta->decimation = 0; } if (bta->recording) { - mutex_lock(&bta->lock); + down(&bta->lock); stop_recording(bta); start_recording(bta); - mutex_unlock(&bta->lock); + up(&bta->lock); } /* fall through */ case SOUND_PCM_READ_RATE: @@ -718,10 +716,10 @@ static int btaudio_dsp_ioctl(struct inode *inode, struct file *file, else bta->bits = 16; if (bta->recording) { - mutex_lock(&bta->lock); + down(&bta->lock); stop_recording(bta); start_recording(bta); - mutex_unlock(&bta->lock); + up(&bta->lock); } } if (debug) @@ -738,9 +736,9 @@ static int btaudio_dsp_ioctl(struct inode *inode, struct file *file, case SNDCTL_DSP_RESET: if (bta->recording) { - mutex_lock(&bta->lock); + down(&bta->lock); stop_recording(bta); - mutex_unlock(&bta->lock); + up(&bta->lock); } return 0; case SNDCTL_DSP_GETBLKSIZE: @@ -943,7 +941,7 @@ static int __devinit btaudio_probe(struct pci_dev *pci_dev, if (rate) bta->rate = rate; - mutex_init(&bta->lock); + init_MUTEX(&bta->lock); init_waitqueue_head(&bta->readq); if (-1 != latency) { @@ -966,7 +964,7 @@ static int __devinit btaudio_probe(struct pci_dev *pci_dev, btwrite(~0U, REG_INT_STAT); pci_set_master(pci_dev); - if ((rc = request_irq(bta->irq, btaudio_irq, IRQF_SHARED|IRQF_DISABLED, + if ((rc = request_irq(bta->irq, btaudio_irq, SA_SHIRQ|SA_INTERRUPT, "btaudio",(void *)bta)) < 0) { printk(KERN_WARNING "btaudio: can't request irq (rc=%d)\n",rc);