v4l2_requestbuffers 1390 include/linux/videodev2.h #define VIDIOC_REQBUFS		_IOWR('V',  8, struct v4l2_requestbuffers)
v4l2_requestbuffers   74 include/media/soc_camera.h 	int (*reqbufs)(struct soc_camera_file *, struct v4l2_requestbuffers *);
v4l2_requestbuffers  106 include/media/v4l2-ioctl.h 	int (*vidioc_reqbufs) (struct file *file, void *fh, struct v4l2_requestbuffers *b);