[sane-devel] LT 9452 works only after replugging

Henning Meier-Geinitz henning at meier-geinitz.de
Sun Oct 6 11:40:06 BST 2002


Hi,

On Sat, Oct 05, 2002 at 11:23:23PM +0100, Major A wrote:
> 
> > The patched kernel scanner driver is only necessary because the gt6801
> > chip doesn't support a bulk-in endpoint. The normal scanner driver
> > insists on having one, however. So these devices are not detected
> > without a patch.
> 
> Oh, how does the scanner send files to the computer then? control, or
> iso?

Sorry. I mean on the host side there is no bulk-out. Data that's
transfered to the scanner (commands, firmware etc.) uses control
messages. Image data uses bulk transfers.

Ciao,
  Henning



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