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[media] cx25821: remove 'type' field from cx25821_fh

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Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil 2013-04-14 11:54:56 -03:00 committed by Mauro Carvalho Chehab
parent be178cb4f4
commit 11f095aa41
2 changed files with 15 additions and 42 deletions
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56
drivers/media/pci/cx25821/cx25821-video.c
View file

@ -506,24 +506,12 @@ static void cx25821_buffer_release(struct videobuf_queue *q,
static struct videobuf_queue *get_queue(struct cx25821_fh *fh)
{
switch (fh->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
return &fh->vidq;
default:
BUG();
return NULL;
}
return &fh->vidq;
}
static int cx25821_get_resource(struct cx25821_fh *fh, int resource)
{
switch (fh->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
return resource;
default:
BUG();
return 0;
}
return resource;
}
static int cx25821_video_mmap(struct file *file, struct vm_area_struct *vma)
@ -605,7 +593,6 @@ static int video_open(struct file *file)
struct video_device *vdev = video_devdata(file);
struct cx25821_dev *dev = video_drvdata(file);
struct cx25821_fh *fh;
enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
u32 pix_format;
int ch_id;
@ -624,7 +611,6 @@ static int video_open(struct file *file)
file->private_data = fh;
fh->dev = dev;
fh->type = type;
fh->width = 720;
fh->channel_id = ch_id;
@ -659,22 +645,15 @@ static ssize_t video_read(struct file *file, char __user * data, size_t count,
struct cx25821_dev *dev = fh->dev;
int err;
switch (fh->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
if (mutex_lock_interruptible(&dev->lock))
return -ERESTARTSYS;
if (cx25821_res_locked(fh, RESOURCE_VIDEO0))
err = -EBUSY;
else
err = videobuf_read_one(&fh->vidq, data, count, ppos,
file->f_flags & O_NONBLOCK);
mutex_unlock(&dev->lock);
return err;
default:
return -ENODEV;
}
if (mutex_lock_interruptible(&dev->lock))
return -ERESTARTSYS;
if (cx25821_res_locked(fh, RESOURCE_VIDEO0))
err = -EBUSY;
else
err = videobuf_read_one(&fh->vidq, data, count, ppos,
file->f_flags & O_NONBLOCK);
mutex_unlock(&dev->lock);
return err;
}
static unsigned int video_poll(struct file *file,
@ -818,14 +797,11 @@ static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = fh->dev;
if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE))
if (i != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
if (unlikely(i != fh->type))
return -EINVAL;
if (unlikely(!cx25821_res_get(dev, fh, cx25821_get_resource(fh,
RESOURCE_VIDEO0))))
if (!cx25821_res_get(dev, fh,
cx25821_get_resource(fh, RESOURCE_VIDEO0)))
return -EBUSY;
return videobuf_streamon(get_queue(fh));
@ -837,9 +813,7 @@ static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
struct cx25821_dev *dev = fh->dev;
int err, res;
if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
if (i != fh->type)
if (i != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
res = cx25821_get_resource(fh, RESOURCE_VIDEO0);

1
drivers/media/pci/cx25821/cx25821.h
View file

@ -118,7 +118,6 @@ struct cx25821_tvnorm {
struct cx25821_fh {
struct cx25821_dev *dev;
enum v4l2_buf_type type;
u32 resources;
enum v4l2_priority prio;