if (NULL == dev)
return -ENODEV;
- down(&dev->dmasound.lock);
+ mutex_lock(&dev->dmasound.lock);
err = -EBUSY;
if (dev->dmasound.users_dsp)
goto fail1;
if (0 != err)
goto fail2;
- up(&dev->dmasound.lock);
+ mutex_unlock(&dev->dmasound.lock);
return 0;
fail2:
dev->dmasound.users_dsp--;
fail1:
- up(&dev->dmasound.lock);
+ mutex_unlock(&dev->dmasound.lock);
return err;
}
{
struct saa7134_dev *dev = file->private_data;
- down(&dev->dmasound.lock);
+ mutex_lock(&dev->dmasound.lock);
if (dev->dmasound.recording_on)
dsp_rec_stop(dev);
dsp_buffer_free(dev);
dev->dmasound.users_dsp--;
file->private_data = NULL;
- up(&dev->dmasound.lock);
+ mutex_unlock(&dev->dmasound.lock);
return 0;
}
int err,ret = 0;
add_wait_queue(&dev->dmasound.wq, &wait);
- down(&dev->dmasound.lock);
+ mutex_lock(&dev->dmasound.lock);
while (count > 0) {
/* wait for data if needed */
if (0 == dev->dmasound.read_count) {
ret = -EAGAIN;
break;
}
- up(&dev->dmasound.lock);
+ mutex_unlock(&dev->dmasound.lock);
set_current_state(TASK_INTERRUPTIBLE);
if (0 == dev->dmasound.read_count)
schedule();
set_current_state(TASK_RUNNING);
- down(&dev->dmasound.lock);
+ mutex_lock(&dev->dmasound.lock);
if (signal_pending(current)) {
if (0 == ret)
ret = -EINTR;
if (dev->dmasound.read_offset == dev->dmasound.bufsize)
dev->dmasound.read_offset = 0;
}
- up(&dev->dmasound.lock);
+ mutex_unlock(&dev->dmasound.lock);
remove_wait_queue(&dev->dmasound.wq, &wait);
return ret;
}
case SNDCTL_DSP_STEREO:
if (get_user(val, p))
return -EFAULT;
- down(&dev->dmasound.lock);
+ mutex_lock(&dev->dmasound.lock);
dev->dmasound.channels = val ? 2 : 1;
if (dev->dmasound.recording_on) {
dsp_rec_stop(dev);
dsp_rec_start(dev);
}
- up(&dev->dmasound.lock);
+ mutex_unlock(&dev->dmasound.lock);
return put_user(dev->dmasound.channels-1, p);
case SNDCTL_DSP_CHANNELS:
return -EFAULT;
if (val != 1 && val != 2)
return -EINVAL;
- down(&dev->dmasound.lock);
+ mutex_lock(&dev->dmasound.lock);
dev->dmasound.channels = val;
if (dev->dmasound.recording_on) {
dsp_rec_stop(dev);
dsp_rec_start(dev);
}
- up(&dev->dmasound.lock);
+ mutex_unlock(&dev->dmasound.lock);
/* fall through */
case SOUND_PCM_READ_CHANNELS:
return put_user(dev->dmasound.channels, p);
case AFMT_U16_BE:
case AFMT_S16_LE:
case AFMT_S16_BE:
- down(&dev->dmasound.lock);
+ mutex_lock(&dev->dmasound.lock);
dev->dmasound.afmt = val;
if (dev->dmasound.recording_on) {
dsp_rec_stop(dev);
dsp_rec_start(dev);
}
- up(&dev->dmasound.lock);
+ mutex_unlock(&dev->dmasound.lock);
return put_user(dev->dmasound.afmt, p);
default:
return -EINVAL;
return 0;
case SNDCTL_DSP_RESET:
- down(&dev->dmasound.lock);
+ mutex_lock(&dev->dmasound.lock);
if (dev->dmasound.recording_on)
dsp_rec_stop(dev);
- up(&dev->dmasound.lock);
+ mutex_unlock(&dev->dmasound.lock);
return 0;
case SNDCTL_DSP_GETBLKSIZE:
return put_user(dev->dmasound.blksize, p);
poll_wait(file, &dev->dmasound.wq, wait);
if (0 == dev->dmasound.read_count) {
- down(&dev->dmasound.lock);
+ mutex_lock(&dev->dmasound.lock);
if (!dev->dmasound.recording_on)
dsp_rec_start(dev);
- up(&dev->dmasound.lock);
+ mutex_unlock(&dev->dmasound.lock);
} else
mask |= (POLLIN | POLLRDNORM);
return mask;
return -1;
/* general */
- init_MUTEX(&dev->dmasound.lock);
+ mutex_init(&dev->dmasound.lock);
init_waitqueue_head(&dev->dmasound.wq);
switch (dev->pci->device) {