<Charles.Hyde@xxxxxxxxxxxx> writes: > What better suggestion do folks have, instead of using USB_REQ_SET_ADDRESS? The spec is clear: wIndex is supposed to be 'NCM Communications Interface'. That's how you address a specific NCM function (a USB device can have more than one...), and that's what you'll see in all the other interface specific class requests in this driver. You don't have to look hard to find examples. Bjørn