diff options
Diffstat (limited to 'drivers/media/video/saa7134')
-rw-r--r-- | drivers/media/video/saa7134/saa7134-alsa.c | 6 | ||||
-rw-r--r-- | drivers/media/video/saa7134/saa7134-core.c | 2 | ||||
-rw-r--r-- | drivers/media/video/saa7134/saa7134-empress.c | 8 | ||||
-rw-r--r-- | drivers/media/video/saa7134/saa7134-oss.c | 40 | ||||
-rw-r--r-- | drivers/media/video/saa7134/saa7134-video.c | 40 | ||||
-rw-r--r-- | drivers/media/video/saa7134/saa7134.h | 5 |
6 files changed, 51 insertions, 50 deletions
diff --git a/drivers/media/video/saa7134/saa7134-alsa.c b/drivers/media/video/saa7134/saa7134-alsa.c index a7a6ab9..d3c7345 100644 --- a/drivers/media/video/saa7134/saa7134-alsa.c +++ b/drivers/media/video/saa7134/saa7134-alsa.c @@ -609,12 +609,12 @@ static int snd_card_saa7134_capture_open(snd_pcm_substream_t * substream) struct saa7134_dev *dev = saa7134->dev; int err; - down(&dev->dmasound.lock); + mutex_lock(&dev->dmasound.lock); dev->dmasound.read_count = 0; dev->dmasound.read_offset = 0; - up(&dev->dmasound.lock); + mutex_unlock(&dev->dmasound.lock); pcm = kzalloc(sizeof(*pcm), GFP_KERNEL); if (pcm == NULL) @@ -932,7 +932,7 @@ static int alsa_card_saa7134_create(struct saa7134_dev *dev, int devnum) chip->irq = dev->pci->irq; - init_MUTEX(&dev->dmasound.lock); + mutex_init(&dev->dmasound.lock); if ((err = snd_card_saa7134_new_mixer(chip)) < 0) goto __nodev; diff --git a/drivers/media/video/saa7134/saa7134-core.c b/drivers/media/video/saa7134/saa7134-core.c index 028904b..e7c3066 100644 --- a/drivers/media/video/saa7134/saa7134-core.c +++ b/drivers/media/video/saa7134/saa7134-core.c @@ -613,7 +613,7 @@ static int saa7134_hwinit1(struct saa7134_dev *dev) saa_writel(SAA7134_IRQ1, 0); saa_writel(SAA7134_IRQ2, 0); - init_MUTEX(&dev->lock); + mutex_init(&dev->lock); spin_lock_init(&dev->slock); saa7134_track_gpio(dev,"pre-init"); diff --git a/drivers/media/video/saa7134/saa7134-empress.c b/drivers/media/video/saa7134/saa7134-empress.c index bd4c389..1d972ed 100644 --- a/drivers/media/video/saa7134/saa7134-empress.c +++ b/drivers/media/video/saa7134/saa7134-empress.c @@ -89,7 +89,7 @@ static int ts_open(struct inode *inode, struct file *file) dprintk("open minor=%d\n",minor); err = -EBUSY; - if (down_trylock(&dev->empress_tsq.lock)) + if (!mutex_trylock(&dev->empress_tsq.lock)) goto done; if (dev->empress_users) goto done_up; @@ -99,7 +99,7 @@ static int ts_open(struct inode *inode, struct file *file) err = 0; done_up: - up(&dev->empress_tsq.lock); + mutex_unlock(&dev->empress_tsq.lock); done: return err; } @@ -110,7 +110,7 @@ static int ts_release(struct inode *inode, struct file *file) if (dev->empress_tsq.streaming) videobuf_streamoff(&dev->empress_tsq); - down(&dev->empress_tsq.lock); + mutex_lock(&dev->empress_tsq.lock); if (dev->empress_tsq.reading) videobuf_read_stop(&dev->empress_tsq); videobuf_mmap_free(&dev->empress_tsq); @@ -119,7 +119,7 @@ static int ts_release(struct inode *inode, struct file *file) /* stop the encoder */ ts_reset_encoder(dev); - up(&dev->empress_tsq.lock); + mutex_unlock(&dev->empress_tsq.lock); return 0; } diff --git a/drivers/media/video/saa7134/saa7134-oss.c b/drivers/media/video/saa7134/saa7134-oss.c index 7448e38..80e34a5 100644 --- a/drivers/media/video/saa7134/saa7134-oss.c +++ b/drivers/media/video/saa7134/saa7134-oss.c @@ -254,7 +254,7 @@ static int dsp_open(struct inode *inode, struct file *file) if (NULL == dev) return -ENODEV; - down(&dev->dmasound.lock); + mutex_lock(&dev->dmasound.lock); err = -EBUSY; if (dev->dmasound.users_dsp) goto fail1; @@ -270,13 +270,13 @@ static int dsp_open(struct inode *inode, struct file *file) 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; } @@ -284,13 +284,13 @@ static int dsp_release(struct inode *inode, struct file *file) { 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; } @@ -304,7 +304,7 @@ static ssize_t dsp_read(struct file *file, char __user *buffer, 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) { @@ -328,12 +328,12 @@ static ssize_t dsp_read(struct file *file, char __user *buffer, 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; @@ -362,7 +362,7 @@ static ssize_t dsp_read(struct file *file, char __user *buffer, 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; } @@ -435,13 +435,13 @@ static int dsp_ioctl(struct inode *inode, struct file *file, 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: @@ -449,13 +449,13 @@ static int dsp_ioctl(struct inode *inode, struct file *file, 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); @@ -478,13 +478,13 @@ static int dsp_ioctl(struct inode *inode, struct file *file, 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; @@ -509,10 +509,10 @@ static int dsp_ioctl(struct inode *inode, struct file *file, 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); @@ -556,10 +556,10 @@ static unsigned int dsp_poll(struct file *file, struct poll_table_struct *wait) 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; @@ -852,7 +852,7 @@ int saa7134_oss_init1(struct saa7134_dev *dev) return -1; /* general */ - init_MUTEX(&dev->dmasound.lock); + mutex_init(&dev->dmasound.lock); init_waitqueue_head(&dev->dmasound.wq); switch (dev->pci->device) { diff --git a/drivers/media/video/saa7134/saa7134-video.c b/drivers/media/video/saa7134/saa7134-video.c index e97426b..72f389a 100644 --- a/drivers/media/video/saa7134/saa7134-video.c +++ b/drivers/media/video/saa7134/saa7134-video.c @@ -460,17 +460,17 @@ static int res_get(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int return 1; /* is it free? */ - down(&dev->lock); + mutex_lock(&dev->lock); if (dev->resources & bit) { /* no, someone else uses it */ - up(&dev->lock); + mutex_unlock(&dev->lock); return 0; } /* it's free, grab it */ fh->resources |= bit; dev->resources |= bit; dprintk("res: get %d\n",bit); - up(&dev->lock); + mutex_unlock(&dev->lock); return 1; } @@ -492,11 +492,11 @@ void res_free(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bits) if ((fh->resources & bits) != bits) BUG(); - down(&dev->lock); + mutex_lock(&dev->lock); fh->resources &= ~bits; dev->resources &= ~bits; dprintk("res: put %d\n",bits); - up(&dev->lock); + mutex_unlock(&dev->lock); } /* ------------------------------------------------------------------ */ @@ -1340,21 +1340,21 @@ video_poll(struct file *file, struct poll_table_struct *wait) if (!list_empty(&fh->cap.stream)) buf = list_entry(fh->cap.stream.next, struct videobuf_buffer, stream); } else { - down(&fh->cap.lock); + mutex_lock(&fh->cap.lock); if (UNSET == fh->cap.read_off) { /* need to capture a new frame */ if (res_locked(fh->dev,RESOURCE_VIDEO)) { - up(&fh->cap.lock); + mutex_unlock(&fh->cap.lock); return POLLERR; } if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,fh->cap.field)) { - up(&fh->cap.lock); + mutex_unlock(&fh->cap.lock); return POLLERR; } fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf); fh->cap.read_off = 0; } - up(&fh->cap.lock); + mutex_unlock(&fh->cap.lock); buf = fh->cap.read_buf; } @@ -1561,14 +1561,14 @@ static int saa7134_s_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh, if (0 != err) return err; - down(&dev->lock); + mutex_lock(&dev->lock); fh->win = f->fmt.win; fh->nclips = f->fmt.win.clipcount; if (fh->nclips > 8) fh->nclips = 8; if (copy_from_user(fh->clips,f->fmt.win.clips, sizeof(struct v4l2_clip)*fh->nclips)) { - up(&dev->lock); + mutex_unlock(&dev->lock); return -EFAULT; } @@ -1578,7 +1578,7 @@ static int saa7134_s_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh, start_preview(dev,fh); spin_unlock_irqrestore(&dev->slock,flags); } - up(&dev->lock); + mutex_unlock(&dev->lock); return 0; case V4L2_BUF_TYPE_VBI_CAPTURE: saa7134_vbi_fmt(dev,f); @@ -1612,9 +1612,9 @@ int saa7134_common_ioctl(struct saa7134_dev *dev, return get_control(dev,arg); case VIDIOC_S_CTRL: { - down(&dev->lock); + mutex_lock(&dev->lock); err = set_control(dev,NULL,arg); - up(&dev->lock); + mutex_unlock(&dev->lock); return err; } /* --- input switching --------------------------------------- */ @@ -1664,9 +1664,9 @@ int saa7134_common_ioctl(struct saa7134_dev *dev, return -EINVAL; if (NULL == card_in(dev,*i).name) return -EINVAL; - down(&dev->lock); + mutex_lock(&dev->lock); video_mux(dev,*i); - up(&dev->lock); + mutex_unlock(&dev->lock); return 0; } @@ -1766,7 +1766,7 @@ static int video_do_ioctl(struct inode *inode, struct file *file, if (i == TVNORMS) return -EINVAL; - down(&dev->lock); + mutex_lock(&dev->lock); if (res_check(fh, RESOURCE_OVERLAY)) { spin_lock_irqsave(&dev->slock,flags); stop_preview(dev,fh); @@ -1776,7 +1776,7 @@ static int video_do_ioctl(struct inode *inode, struct file *file, } else set_tvnorm(dev,&tvnorms[i]); saa7134_tvaudio_do_scan(dev); - up(&dev->lock); + mutex_unlock(&dev->lock); return 0; } @@ -1909,13 +1909,13 @@ static int video_do_ioctl(struct inode *inode, struct file *file, return -EINVAL; if (1 == fh->radio && V4L2_TUNER_RADIO != f->type) return -EINVAL; - down(&dev->lock); + mutex_lock(&dev->lock); dev->ctl_freq = f->frequency; saa7134_i2c_call_clients(dev,VIDIOC_S_FREQUENCY,f); saa7134_tvaudio_do_scan(dev); - up(&dev->lock); + mutex_unlock(&dev->lock); return 0; } diff --git a/drivers/media/video/saa7134/saa7134.h b/drivers/media/video/saa7134/saa7134.h index ff39a63..691c10b 100644 --- a/drivers/media/video/saa7134/saa7134.h +++ b/drivers/media/video/saa7134/saa7134.h @@ -29,6 +29,7 @@ #include <linux/input.h> #include <linux/notifier.h> #include <linux/delay.h> +#include <linux/mutex.h> #include <asm/io.h> @@ -364,7 +365,7 @@ struct saa7134_fh { /* dmasound dsp status */ struct saa7134_dmasound { - struct semaphore lock; + struct mutex lock; int minor_mixer; int minor_dsp; unsigned int users_dsp; @@ -428,7 +429,7 @@ struct saa7134_mpeg_ops { /* global device status */ struct saa7134_dev { struct list_head devlist; - struct semaphore lock; + struct mutex lock; spinlock_t slock; #ifdef VIDIOC_G_PRIORITY struct v4l2_prio_state prio; |