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path: root/drivers/staging/cx25821/cx25821-video4.c
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Diffstat (limited to 'drivers/staging/cx25821/cx25821-video4.c')
-rw-r--r--drivers/staging/cx25821/cx25821-video4.c34
1 files changed, 9 insertions, 25 deletions
diff --git a/drivers/staging/cx25821/cx25821-video4.c b/drivers/staging/cx25821/cx25821-video4.c
index ab0d747138a..0cbe7a79d8c 100644
--- a/drivers/staging/cx25821/cx25821-video4.c
+++ b/drivers/staging/cx25821/cx25821-video4.c
@@ -94,37 +94,22 @@ static struct videobuf_queue_ops cx25821_video_qops = {
static int video_open(struct file *file)
{
- int minor = video_devdata(file)->minor;
- struct cx25821_dev *h, *dev = NULL;
+ struct video_device *vdev = video_devdata(file);
+ struct cx25821_dev *dev = video_drvdata(file);
struct cx25821_fh *fh;
- struct list_head *list;
- enum v4l2_buf_type type = 0;
+ enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
u32 pix_format;
- lock_kernel();
- list_for_each(list, &cx25821_devlist) {
- h = list_entry(list, struct cx25821_dev, devlist);
-
- if (h->video_dev[SRAM_CH04]
- && h->video_dev[SRAM_CH04]->minor == minor) {
- dev = h;
- type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- }
- }
-
- if (NULL == dev) {
- unlock_kernel();
- return -ENODEV;
- }
-
- printk("open minor=%d type=%s\n", minor, v4l2_type_names[type]);
+ printk("open dev=%s type=%s\n", video_device_node_name(vdev),
+ v4l2_type_names[type]);
/* allocate + initialize per filehandle data */
fh = kzalloc(sizeof(*fh), GFP_KERNEL);
- if (NULL == fh) {
- unlock_kernel();
+ if (NULL == fh)
return -ENOMEM;
- }
+
+ lock_kernel();
+
file->private_data = fh;
fh->dev = dev;
fh->type = type;
@@ -443,7 +428,6 @@ static const struct v4l2_ioctl_ops video_ioctl_ops = {
struct video_device cx25821_video_template4 = {
.name = "cx25821-video",
.fops = &video_fops,
- .minor = -1,
.ioctl_ops = &video_ioctl_ops,
.tvnorms = CX25821_NORMS,
.current_norm = V4L2_STD_NTSC_M,