A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-30 11:41:38 -04:00
Code Issues Projects Releases Packages Wiki Activity

[media] cx23885: ensure video is streaming before allowing vbi to stream

Browse source 
Signed-off-by: Steven Toth <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
This commit is contained in:
Steven Toth 2011-10-10 11:09:54 -03:00 • committed by Mauro Carvalho Chehab
commit 24465b4485
1 changed files with 8 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

8
drivers/media/video/cx23885/cx23885-video.c
View file

@ -1100,6 +1100,14 @@ static int vidioc_streamon(struct file *file, void *priv,
if (unlikely(!res_get(dev, fh, get_resource(fh))))
return -EBUSY;
/* Don't start VBI streaming unless vida streaming
* has already started.
*/
if ((fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) &&
((cx_read(VID_A_DMA_CTL) & 0x11) == 0))
return -EINVAL;
return videobuf_streamon(get_queue(fh));
}