Re: Correct Network Scanner Syntax? (a question)

From: Oliver Neukum (Oliver.Neukum@lrz.uni-muenchen.de)
Date: Sat May 27 2000 - 16:12:26 PDT

  • Next message: Douglas Gilbert: "Re: SOLVED: 2 scanners scanning at the same time?"

    Am Sam, 27 Mai 2000 schrieben Sie:
    > abel deuring <a.deuring@satzbau-gmbh.de> writes:
    >
    > > > Hmm. I don't know if Oliver added anything to my version, but here is
    > > > what I sent him (relative to sane-cvs). The patch to
    > > > sanei/sanei_scsi.c should not be necessary if sane is setup properly,
    > > > and is probably incorrect wrt other sane backends.
    >
    > [...]
    >
    > > If this patch to sanei_scsi.c works for your setup (Microtek USB
    > > scanner, if my memory is right), it's fine. But it might break the
    > > memory management for other backends which use the function
    > > sanei_scsi_open. Most backends open the device file for scanner access
    >
    > To clarify:
    >
    > The patch is *only* included because I couldn't be bothered to read
    > the docs to find the correct fix for the fact that my kernel sg buffer
    > size is smaller than that which SANE expects.

    I suspect it results from not supporting scatter/gather.
    We can't easily support it, as the USB host controllers don't support
    it, or at least the USB layer doesn't.

            Oliver Neukum

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