USB autosuspend and usbsevseg

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Hello Oliver (and others),

Someone using the usbsevseg driver said they could not get their
device to work. I traced through the issue. I realized that the device
now works only if USB autosuspend is enabled
("/sys/$DEVICE/power/level"="auto"). The reason is that some logic
assumes that resume(), reset_resume(), and suspend() will be called no
matter what. After looking through code and testing, I believe those
functions are not called if "/sys/$DEVICE/power/level"="on". Is that
correct? If it is, I can correct the logic in the driver and submit a
patch to work in either case.

Thanks,
Harry Metzger
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