On Tue, 3 Aug 2004, David Brownell wrote:

> I think from what Sven-Olaf said, the issue is that the mass storage firmware
> on this device doesn't work anywhere as well as your file_storage gadget
> code ... :)  It certainly enumerated OK at high speed in PTP mode.
> 
> Since the PTP driver works OK, it's not hardware ... firmware then.  So
> the usual suspicion is that maybe they only tested against
> MS-Windows or something ... was this the device that got you to
> experiment with a "get descriptor before set_address" patch?

No, that was something else.  I suspect that using the MS device 
initialization scheme won't work much better with this device, but it's 
worth a try.  (I wonder how the camera manages to connect with Windows 
hosts?  It would be interesting to see a USB trace of that.)

> I'd really expect that a more MSFT-friendlly approach would work.

Sven-Olof, do you still have patch for that?  It's the one in

http://marc.theaimsgroup.com/?l=linux-usb-users&m=109069803813114

Maybe it'll work a little better, maybe not.

Alan Stern



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