v4l2_queryctrl   1411 include/linux/videodev2.h #define VIDIOC_QUERYCTRL	_IOWR('V', 36, struct v4l2_queryctrl)
v4l2_queryctrl    139 include/media/soc_camera.h 	const struct v4l2_queryctrl *controls;
v4l2_queryctrl    143 include/media/soc_camera.h static inline struct v4l2_queryctrl const *soc_camera_find_qctrl(
v4l2_queryctrl    147 include/media/v4l2-ioctl.h 					struct v4l2_queryctrl *a);