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V4L/DVB (7947): videodev: add vidioc_g_std callback.

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The default videodev behavior for VIDIOC_G_STD is not correct for all devices.
Add a new callback that drivers can use instead.

Signed-off-by: Hans Verkuil <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
This commit is contained in:
Hans Verkuil 2008-05-28 08:27:00 -03:00 • committed by Mauro Carvalho Chehab
commit b2de2313f1
2 changed files with 10 additions and 5 deletions
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3
include/media/v4l2-dev.h
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@ -212,8 +212,9 @@ struct video_device
int (*vidioc_streamoff)(struct file *file, void *fh, enum v4l2_buf_type i);
/* Standard handling
G_STD and ENUMSTD are handled by videodev.c
ENUMSTD is handled by videodev.c
*/
int (*vidioc_g_std) (struct file *file, void *fh, v4l2_std_id *norm);
int (*vidioc_s_std) (struct file *file, void *fh, v4l2_std_id *norm);
int (*vidioc_querystd) (struct file *file, void *fh, v4l2_std_id *a);