> For the UA-2, if you change the sample frequency or mode, this involves > setting a hardware switch on the device, and then restarting snd-usb-audio > by a 'modprobe snd-usb-audio'. That's interesting. I usually re-started the device on my FA-101. Maybe the module auto-loaders triggered by that was what really was necessary, not the device re-starting. Ah, the joy of knowledge going easy on the power converters...