> > but do we want to guarantee that the altsetting is always zero > > when probe is called (likewise for configuration)? After all, drivers > > can be responsible for setting the values they want. > > I think we do. Drivers should find their devices initially in the > default state. That's why we install altsetting 0 after each driver > unbinds.
I guess the same goes for the configuration. > > Also, wouldn't setting > > the altsetting to zero result in traffic with the device even if the > > altsetting was already zero...? > > It would. But the overhead should be pretty small; failures during probe > don't occur very often. Less often than probes overall, and they aren't > very common. Furthermore, even if the altsetting already is 0, sending > the command should force the interface to do a partial reset. If the configuration is reset to zero, is that guaranteed to reset the altsetting too? D. ------------------------------------------------------- SF.Net email is sponsored by: Discover Easy Linux Migration Strategies from IBM. Find simple to follow Roadmaps, straightforward articles, informative Webcasts and more! Get everything you need to get up to speed, fast. http://ads.osdn.com/?ad_id=7477&alloc_id=16492&op=click _______________________________________________ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
