Re: [PATCH] Synaptics TouchPad driver for 2.5.70

From: Peter Berg Larsen (
Date: Thu Jun 12 2003 - 18:42:40 EST

On Fri, 13 Jun 2003, Vojtech Pavlik wrote:

> > > The synaptics driver, if it wished to demultiplex a true mouse protocol
> > > behind the pad without an active multiplexing controller, could easily
> > > create a new serio port, to which the psmouse driver would attach,
> > > detect, and drive the mouse. It's a bit crazy, but it should work.

> > hmm, that is clever. But I am afraid it will not work: the master (the

> That's sad. Anyway, we'll have to find a solution for this. Either the
> synaptics driver parsing the communication on the new serio port (which
> isn't as complex as it looks) and detecting the packet length from that,
> or some way the psmouse driver can tell it what packet size it uses.

If the synaptic driver can deduce the protocol by listning to the probing
communication, it might as well just sent it itself.


Real name:    Peter Berg Larsen
Where:        Department of Computer Science, Copenhagen Uni., Denmark

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