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SubjectRe: Prevailence of PS/2 Active Muxed devices?
Date
	Naturally, after spending 45 minutes looking through mouse and keyboard 
sources in 2.4.21 on the laptop, I find it in i8042.c in the 2.6 tree.

Now to see if something can actually be done with it...

--jc

On Tuesday 23 December 2003 13:25 pm, J.C. Wren wrote:
> I have an application where I'd like to specifically control which PS/2
> aux device data is sent/received from/to. Particularly, on a laptop that
> has an integrated touch pad, I'd like to select the external mouse port.
>
> This document http://www.synaptics-uk.com/decaf/utilities/ps2-mux.PDF
> describes what appears to be a rather well thought method for multiple aux
> devices on a single KBC.
>
> Looking through the kernel sources, I see no handling for this. From a
> big picture perspective, how does Linux handle a system with an integrated
> mouse pad, and an external PS/2 mouse port? Is this whole Synaptics idea
> dead, or is support for this planned, or even considered? Does any one
> have any knowledge the number of KBCs with this muxing?
>
> Seeing some of the parties that partcipated in the standards, it would be
> a touch surprising if it just completely died.
>
> --jc
>
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