我对linux理解之v4l2
我们先看具体sensor slave怎么注册到v4l2的:static struct v4l2_int_ioctl_desc ov5642_ioctl_desc[] = {//ioctl与对应的序号联系在一起,在v4l2层将被转换成固定的名字 {vidioc_int_dev_init_num, (v4l2_int_ioctl_func *)ioctl_dev_init},