[media] videodev2.h: add struct v4l2_query_ext_ctrl and VIDIOC_QUERY_EXT_CTRL
authorHans Verkuil <hans.verkuil@cisco.com>
Tue, 10 Jun 2014 07:14:50 +0000 (04:14 -0300)
committerMauro Carvalho Chehab <m.chehab@samsung.com>
Thu, 17 Jul 2014 13:38:44 +0000 (10:38 -0300)
commit5082c2417841e64df975789011e182ce99a9dacd
treea7d7cabbd6688db9685fa4ef2ac4970664e7ad1e
parent7e6a68210784dcea8e39fd9d4c9966f9c733ba09
[media] videodev2.h: add struct v4l2_query_ext_ctrl and VIDIOC_QUERY_EXT_CTRL

Add a new struct and ioctl to extend the amount of information you can
get for a control.

The range is now a s64 type, and array dimensions and element size can be
reported through nr_of_dims/dims/elems/elem_size.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
include/uapi/linux/videodev2.h