linux-kernel - Re: [PATCH] Map volume and brightness events on thinkpads

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Message-ID: <d120d5000710160854p74d9944l7ba3c00fda93f674@mail.gmail.com>
Date:	Tue, 16 Oct 2007 11:54:31 -0400
From:	"Dmitry Torokhov" <dmitry.torokhov@...il.com>
To:	"Matthew Garrett" <mjg59@...f.ucam.org>
Cc:	"Henrique de Moraes Holschuh" <hmh@....eng.br>,
	"Jeremy Katz" <katzj@...hat.com>, linux-kernel@...r.kernel.org,
	torvalds@...ux-foundation.org, davej@...hat.com
Subject: Re: [PATCH] Map volume and brightness events on thinkpads

On 10/16/07, Matthew Garrett <mjg59@...f.ucam.org> wrote:
> On Tue, Oct 16, 2007 at 10:27:11AM -0400, Dmitry Torokhov wrote:
>
> > I want to add the ability to add "filetrs" to i8042 keyboard ports so
> > that certain bytes that represent state changes (battery events,
> > wireless, etc.) can be diverted from keyboard serio port (and atkbd
> > driver) and be processed by a separate driver(s).
>
> This seems to add complexity. I'm not sure why the input layer isn't the
> natural way of reporting events generated by a user pressing a key on
> the keyboard?
>

I think there was a laptop that sent vierd bytes over KBC port when
you plug AC cord into it and pulled it out again. So it's not only
keys. Don't have a reference handy though.

-- 
Dmitry
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