linux-kernel - Re: regression since 2.6.36: backlight in sony-laptop not working

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Message-ID: <20101112121742.GA17690@kamineko.org>
Date:	Fri, 12 Nov 2010 21:17:42 +0900
From:	Mattia Dongili <malattia@...ux.it>
To:	Norbert Preining <preining@...ic.at>
Cc:	Matthew Garrett <mjg@...hat.com>, linux-kernel@...r.kernel.org,
	ACPI Devel Mailing List <linux-acpi@...r.kernel.org>
Subject: Re: regression since 2.6.36: backlight in sony-laptop not working

On Fri, Nov 12, 2010 at 01:39:22PM +0900, Norbert Preining wrote:
> On Fr, 12 Nov 2010, Mattia Dongili wrote:
> > backlight (actually Fn+F[56]) is one of those keys the needs remapping
> > these days, i.e. if xev doesn't get any event in X then you may need
> 
> It doesn't.

You will need an updated input-kbd to set the scancode map.

> > $ diff -u <(sudo input-kbd 5) vaio-kbd
> > /dev/input/event5
> >    bustype : BUS_ISA
> >    vendor  : 0x104d
> >    product : 0x0
> >    version : 0
> >    name    : "Sony Vaio Keys"
> >    bits ev : EV_SYN EV_KEY EV_MSC
> 
> Ahhhhh
> 	root$ input-kbd 8
> 	/dev/input/event8
> 	protocol version mismatch (expected 65536, got 65537)
> and the same for all event devices??
> 
> I have input-kbd from xserver-xorg-input-kbd in Debian/sid, which is
> at 1:1.4.0-2 version.
> 
> Does that mean that 2.6.37rc is too new for the user space?

Maybe. Anyway if evtest reacts positively to key presses then it's a
userspace issue and not the driver's.

-- 
mattia
:wq!
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