Am Sonntag, 7. März 2010 18:12:08 schrieb Harrison Metzger:
> 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.
Under that condition they are called only if the system sleeps.
A driver depending on them being ever called is indeed buggy.
Regards
Oliver
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