I feel like I understand almost all of what is happening in this log: http://tabor.taborandtashell.net/sane-fs2720u/turned_on.LOG
However, I don't understand any of the Setup Packets with the bmRequestType of 0x21. They all appear as the URB is "coming back!" But 0x21 is a host-to-device transfer of type class with the recipient being the interface. Is there something about the URBs "going down" and "coming back" that I don't understand? Thank You, Tabor Kelly
