940 				    struct v4l2_query_ext_ctrl *qec)  in uvc_ioctl_query_ext_ctrl()  argument
944 	struct v4l2_queryctrl qc = { qec->id };  in uvc_ioctl_query_ext_ctrl()
951 	qec->id = qc.id;  in uvc_ioctl_query_ext_ctrl()
952 	qec->type = qc.type;  in uvc_ioctl_query_ext_ctrl()
953 	strlcpy(qec->name, qc.name, sizeof(qec->name));  in uvc_ioctl_query_ext_ctrl()
954 	qec->minimum = qc.minimum;  in uvc_ioctl_query_ext_ctrl()
955 	qec->maximum = qc.maximum;  in uvc_ioctl_query_ext_ctrl()
956 	qec->step = qc.step;  in uvc_ioctl_query_ext_ctrl()
957 	qec->default_value = qc.default_value;  in uvc_ioctl_query_ext_ctrl()
958 	qec->flags = qc.flags;  in uvc_ioctl_query_ext_ctrl()
959 	qec->elem_size = 4;  in uvc_ioctl_query_ext_ctrl()
960 	qec->elems = 1;  in uvc_ioctl_query_ext_ctrl()
961 	qec->nr_of_dims = 0;  in uvc_ioctl_query_ext_ctrl()
962 	memset(qec->dims, 0, sizeof(qec->dims));  in uvc_ioctl_query_ext_ctrl()
963 	memset(qec->reserved, 0, sizeof(qec->reserved));  in uvc_ioctl_query_ext_ctrl()