Hi,

On Wed, Feb 11, 2004 at 01:05:56PM +0000, Daniel Drake wrote:
> Matthias Urlichs wrote:
> > what's supposed to be the replacement for drivers/usb/image/scanner.c?
> 
> xsane is supposed to be the replacement.

Huh? XSane is a frontend for SANE. It's not involved in accessing USB
devices. XSane uses sane-backends which may use either the scanner
driver or libusb to access USB scanners.

> I think I read that scanner.c was mostly broken in 2.6?

True. I still don't know the reason as it worked for me in 2.6.0 and
earlier versions.

> xsane mailing lists would also be a good place to look for help

Well, maybe. But ususally it makes more sense to look at sane-devel
instead as this is about the SANE backends which actually access the
kernel device files.

To answer the question: libusb is the replacement for access by the
kernel scanner driver. It has been the default in SANE for a long time
whenthe scanner driver was not loaded. And it's the only way to access
scanners on other operating systems anyway.

"man sane-usb" provides some tips, e.g. on permissions.

If libusb access doesn't work, it's either a bug in the SANE backend,
libusb or the kernel. Checking if it works on 2.4 with libusb may help
to find out what's wrong.

Sending a mail to sane-devel with a complete log file may also help.

Bye,
  Henning


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