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[media] v4l2: integrate support for VIDIOC_QUERY_EXT_CTRL

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Add the v4l2 core plumbing for the new VIDIOC_QUERY_EXT_CTRL ioctl.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Hans Verkuil
2014-06-10 04:22:06 -03:00
committed by Mauro Carvalho Chehab
parent d9a2547150
commit e6bee3685e
4 changed files with 40 additions and 0 deletions
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2
include/media/v4l2-ioctl.h
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@ -158,6 +158,8 @@ struct v4l2_ioctl_ops {
/* Control handling */
int (*vidioc_queryctrl) (struct file *file, void *fh,
struct v4l2_queryctrl *a);
int (*vidioc_query_ext_ctrl) (struct file *file, void *fh,
struct v4l2_query_ext_ctrl *a);
int (*vidioc_g_ctrl) (struct file *file, void *fh,
struct v4l2_control *a);
int (*vidioc_s_ctrl) (struct file *file, void *fh,