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Date: Sat, 10 Jul 2004 21:10:39 -0600 (MDT)
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To: ulf@Alameda.net
From: "M. Warner Losh" <imp@bsdimp.com>
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cc: hackers@freebsd.org
Subject: Re: PS/2 and USB keyboard at the same time, where to start
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In message: <20040710212822.GX41460@seven.alameda.net>
            Ulf Zimmermann <ulf@Alameda.net> writes:
: I want to try myself on kernel hacking again and a thing which peaked my
: interest was some emails a few days ago about making the kernel use both
: PS/2 and USB keyboards at the same time. My questions is can anyone point
: me at the relevant pieces of the kernel I should study about trying myself
: on this?

There's already a keyboard mux in the kernel.  You'll just need to
make it max many to 1.

Warner