* <a>http://www.usb.org/developers/docs/InterfaceAssociationDescriptor_ecn.pdf</a>. It allows compound\r
* devices with multiple interfaces related to the same function to have the multiple interfaces bound\r
* together at the point of enumeration, loading one generic driver for all the interfaces in the single\r
* function. Read the ECN for more information.\r
*\r
* <a>http://www.usb.org/developers/docs/InterfaceAssociationDescriptor_ecn.pdf</a>. It allows compound\r
* devices with multiple interfaces related to the same function to have the multiple interfaces bound\r
* together at the point of enumeration, loading one generic driver for all the interfaces in the single\r
* function. Read the ECN for more information.\r
*\r