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Diffstat (limited to 'linux/drivers/media/video/cx88/cx88-blackbird.c')
-rw-r--r--linux/drivers/media/video/cx88/cx88-blackbird.c22
1 files changed, 15 insertions, 7 deletions
diff --git a/linux/drivers/media/video/cx88/cx88-blackbird.c b/linux/drivers/media/video/cx88/cx88-blackbird.c
index 4b780c237..0cd510814 100644
--- a/linux/drivers/media/video/cx88/cx88-blackbird.c
+++ b/linux/drivers/media/video/cx88/cx88-blackbird.c
@@ -1076,12 +1076,15 @@ static int mpeg_open(struct inode *inode, struct file *file)
struct cx8802_driver *drv = NULL;
int err;
+ lock_kernel();
dev = cx8802_get_device(inode);
dprintk( 1, "%s\n", __func__);
- if (dev == NULL)
+ if (dev == NULL) {
+ unlock_kernel();
return -ENODEV;
+ }
/* Make sure we can acquire the hardware */
drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
@@ -1096,6 +1099,7 @@ static int mpeg_open(struct inode *inode, struct file *file)
if (blackbird_initialize_codec(dev) < 0) {
if (drv)
drv->request_release(drv);
+ unlock_kernel();
return -EINVAL;
}
dprintk(1,"open minor=%d\n",minor);
@@ -1105,6 +1109,7 @@ static int mpeg_open(struct inode *inode, struct file *file)
if (NULL == fh) {
if (drv)
drv->request_release(drv);
+ unlock_kernel();
return -ENOMEM;
}
file->private_data = fh;
@@ -1120,6 +1125,7 @@ static int mpeg_open(struct inode *inode, struct file *file)
/* FIXME: locking against other video device */
cx88_set_scale(dev->core, dev->width, dev->height,
fh->mpegq.field);
+ unlock_kernel();
return 0;
}
@@ -1194,12 +1200,7 @@ static const struct file_operations mpeg_fops =
.llseek = no_llseek,
};
-static struct video_device cx8802_mpeg_template =
-{
- .name = "cx8802",
- .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES|VID_TYPE_MPEG_ENCODER,
- .fops = &mpeg_fops,
- .minor = -1,
+static const struct v4l2_ioctl_ops mpeg_ioctl_ops = {
.vidioc_querymenu = vidioc_querymenu,
.vidioc_querycap = vidioc_querycap,
.vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
@@ -1227,6 +1228,13 @@ static struct video_device cx8802_mpeg_template =
.vidioc_g_tuner = vidioc_g_tuner,
.vidioc_s_tuner = vidioc_s_tuner,
.vidioc_s_std = vidioc_s_std,
+};
+
+static struct video_device cx8802_mpeg_template = {
+ .name = "cx8802",
+ .fops = &mpeg_fops,
+ .ioctl_ops = &mpeg_ioctl_ops,
+ .minor = -1,
.tvnorms = CX88_NORMS,
.current_norm = V4L2_STD_NTSC_M,
};