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);