Steve Hayashi wrote: > Unfortunately, my device will send a stall response to the member variable > query Which member variable? Is the query correct, i.e., do the device's descriptors indicate that that query should be supported? This looks like a typical firmware bug; many low-quality USB devices have not been written against the spec but to work with some random Windows version that was currently available for testing. > My primary goal is to get the usb audio device working normally all the > time, ideally through some minor change that I was previously unaware of. Well, neither replacing the device's firmware not writing your own USB audio driver looks like a minor change. Best regards, Clemens ****************** WDMAUDIODEV addresses: Post message: mailto:wdmaudiodev@xxxxxxxxxxxxx Subscribe: mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=subscribe Unsubscribe: mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=unsubscribe Moderator: mailto:wdmaudiodev-moderators@xxxxxxxxxxxxx URL to WDMAUDIODEV page: http://www.wdmaudiodev.com/