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SubjectRe: keyboard problem with 2.6.6
On Sun, May 30, 2004 at 03:54:45PM +0200, Eduard Bloch wrote:

> Moin Vojtech!
>
> Vojtech Pavlik schrieb am Sonntag, den 30. Mai 2004:
>
> > > Vojtech> Of course, unless you create a device that can use it,
> > > Vojtech> but in that case you can easily write a kernel driver for
> > > Vojtech> it.
> > >
> > > How about the PS/2 mouse port? It's not just for mice. There ARE
> > > implementations using it for other things: touchpad, touchscreen, etc.
> >
> > All simulate a mouse. Some have somewhat extended protocols, but those
> > protocols are still bound by mouse packet constraints, because the
> > controllers tend to do nasty things to the data passing through, like
> > merging input from multiple devices together into one stream by summing
> > the packets, etc.
>
> Who says that merging (as it is currently done) is the best way to do?

I definitely don't. But many notebooks do that in hardware.
My point was that it's not always possible to transfer arbitrary data
over the PS/2 port - it's not a general purpose serial port.

> For examle, I wish to create two terminals with my system, using two
> monitors (on dual-head video card), two keyboards and two mices. I can
> do the first part (X manages it well) but not beeing able to use
> different input devices for different users simply SUCKS.
> But http://linuxconsole.sourceforge.net/ lets me hope.

I wrote most of the input handling in that project. It's what is in 2.6 now.

--
Vojtech Pavlik
SuSE Labs, SuSE CR
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