severity 332281 normal
thanks

kaouete <[EMAIL PROTECTED]> wrote:

> When i try to use the scanner while usblp is loaded, i cant, you cant
> find all the information about this problem there :

The problem is that your device exposes only one USB device when it
should really expose at least 2 devices or functions. This is an
engineering problem on the manufacturer's side, and unfortunately
they're all doing the same shit.

Epson unfortunately doesn't provide anything comparable to what HP does
for its multifunction devices, that is, a userspace daemon/driver
managing the access to the device. This isn't a clean solution either,
but it's cheaper (than having the hardware properly expose 2 devices
or functions) and it works.

So to make it clear: there is no solution to your problem. usblp will
bind the device at the kernel level, prohibiting user processes from
accessing the device through libusb.

> I think that maybe a fix can be integrated in the debian version of sane
> until a new version with the fix is released, since it is a bug that
> seems to touch all the people with multifunction devices.

I'm not willing to apply this patch in its current form. It might be
harmful for other devices.

JB.

-- 
 Julien BLACHE - Debian & GNU/Linux Developer - <[EMAIL PROTECTED]> 
 
 Public key available on <http://www.jblache.org> - KeyID: F5D6 5169 
 GPG Fingerprint : 935A 79F1 C8B3 3521 FD62 7CC7 CD61 4FD7 F5D6 5169 


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