Printer Autodetection
Pozsar Balazs
pozsy at uhulinux.hu
Mon Nov 14 08:15:09 PST 2005
On Mon, Nov 14, 2005 at 11:07:32AM -0500, David Zeuthen wrote:
> On Mon, 2005-11-14 at 15:23 +0100, Pozsar Balazs wrote:
> > On Sun, Nov 13, 2005 at 05:09:16PM -0500, John (J5) Palmieri wrote:
> > > As for parallel printers I think they
> > > are mostly a lost cause since you need a bi directional parallel cable
> > > and you need to probe.
> >
> > HAL already does polling on storage devices, I do not see why would it
> > be a problem to poll parallel ports.
> >
>
> As John mentioned there's the concern about that the parallel port
> and/or driver might get upset. Kay also mentioned a while back a bunch
> of issues in doing this, e.g. chaining devices on a parallel port. Check
> the archives. Of course, should you have a patch that does this it's
> worth considering especially since WinXP proves this is possible.
Sorry, but I do not have patch :)
> OTOH, as few people actually use parallel ports these days is this worth
> looking into at all?
Well, actually I was thinking about this too, maybe this does not really
worth the effort and possible problems.
--
pozsy
More information about the hal
mailing list