linux-kernel - Re: sony-laptop driver: Volume keys on Sony Vaio TX3 don't work

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Date:	Tue, 18 Oct 2011 11:07:17 +0200
From:	John Hughes <john@...va.COM>
To:	Mattia Dongili <malattia@...ux.it>
CC:	Valdis.Kletnieks@...edu, linux-kernel@...r.kernel.org,
	Stelian Pop <stelian@...ies.net>,
	platform-driver-x86 <platform-driver-x86@...r.kernel.org>
Subject: Re: sony-laptop driver: Volume keys on Sony Vaio TX3 don't work

On 17/10/11 23:45, Mattia Dongili wrote:
> On Sun, Oct 16, 2011 at 05:50:13PM -0400, Valdis.Kletnieks@...edu wrote:
>    
>> On Mon, 17 Oct 2011 06:38:01 +0900, Mattia Dongili said:
>>      
>> If that's not an option, perhaps we need a per-model quirk that patches up the
>> tables at boot time?  If we do that, we may want to re-arrange the table so the
>> affected entries are at the front or something to help insure we don't patch
>> the wrong entries if somebody else inserts new lines.
>>      
> Wouldn't udev do that already?
> We may actually want to remove those events that never get looked up in
> the tables instead.
>
>    
udev does have some per-model stuff for the Vaio's.

Doesn't work right because the scancodes reported the sony-laptop driver 
are not the right ones.

(sony-laptop sends its "event" code as the scancode, but to change the 
keymap you have to use the index in the sony_laptop_input_keycode_map 
table.  I have posted one patch for this which makes the scancodes at 
least consistent but I think I'll do another that makes them be the same 
as what current udev thinks they should be.  I'll have that ready this 
evening I thing - have to work now :-( )

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