[media] v4l2: integrate support for VIDIOC_QUERY_EXT_CTRL
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>
diff --git a/drivers/media/v4l2-core/v4l2-subdev.c b/drivers/media/v4l2-core/v4l2-subdev.c
index 058c1a6..b984f33d 100644
--- a/drivers/media/v4l2-core/v4l2-subdev.c
+++ b/drivers/media/v4l2-core/v4l2-subdev.c
@@ -139,6 +139,9 @@
case VIDIOC_QUERYCTRL:
return v4l2_queryctrl(vfh->ctrl_handler, arg);
+ case VIDIOC_QUERY_EXT_CTRL:
+ return v4l2_query_ext_ctrl(vfh->ctrl_handler, arg);
+
case VIDIOC_QUERYMENU:
return v4l2_querymenu(vfh->ctrl_handler, arg);