From owner-freebsd-acpi@FreeBSD.ORG  Wed May  7 13:51:21 2014
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Date: Wed, 7 May 2014 15:51:17 +0200
From: Lars Engels <lars.engels@0x20.net>
To: Adrian Chadd <adrian@freebsd.org>
Subject: Re: Emitting keyboard events
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On Tue, May 06, 2014 at 04:12:28PM -0700, Adrian Chadd wrote:
> Just to follow up - I'd love to know how the hell to do this too.
> acpi_ibm needs some updating. :(
>=20
>=20
> -a
>=20
>=20
> On 1 May 2014 13:57, X=C4=ABc=C3=B2 <xico@atelo.org> wrote:
> > Dear freebsd-acpi,
> >
> > Being a systemd refugee, I am trying to setup FreeBSD on several
> > machines here. As a first question, I cannot find any driver to handle
> > the hotkeys on a 2011 Sony VPCZ2. sys/dev/acpi_support/acpi_sony.c only
> > contains backlight support for old laptops. Is anyone aware of such a
> > driver?
> >
> > In any case, I started playing a bit with ACPI in a module, and have
> > been able to register a handler for the hotkeys, and decode the
> > associated events. Unfortunately, I have no idead of what I could do
> > with them. At some point, I would like Xorg to receive keyboard events,
> > such as XF86MonBrightnessUp, but I lack the knowledge on how to emit
> > that from kernel space.
> >
> > Thank you for your help!
> >
> > Best,
> >


IIRC Rui (CC'ed) did some work on implementing new ACPI key events in
acpi_asus for the first EeePC.