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Subject: RE: [PATCH] [RESEND] Add Dell laptop backlight brightness display
Date: Tue, 7 Feb 2006 11:23:22 -0600
Message-ID: <35C9A9D68AB3FA4AB63692802656D9EC9277C6@ausx3mps303.aus.amer.dell.com>
Thread-Topic: [PATCH] [RESEND] Add Dell laptop backlight brightness display
Thread-Index: AcYsCs0yz+s5DdOYTeivuGKmzFpHWwAABRAw
From: <Michael_E_Brown@Dell.com>
To: <mjg59@srcf.ucam.org>
Cc: <akpm@osdl.org>, <Matt_Domsch@Dell.com>, <linux-kernel@vger.kernel.org>
Sender: linux-kernel-owner@vger.kernel.org
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Yes, the list of things to do is called the token table. I am working on
getting permission to release it. As it is, I am releasing tokens as
people ask for them, on a case by case basis.

I, personally, do not build or design our laptops, nor do I have any
sway with those that do. Crying about it isn't going to help, sorry.

If you would care to move the discussion to libsmbios-devel, I would be
more than happy to help you get the token you need and write a
util/lib/whatever to do what you need.
--
Michael 

-----Original Message-----
From: Matthew Garrett [mailto:mjg59@srcf.ucam.org] 
Sent: Tuesday, February 07, 2006 11:20 AM
To: Brown, Michael E
Cc: akpm@osdl.org; Domsch, Matt; linux-kernel@vger.kernel.org
Subject: Re: [PATCH] [RESEND] Add Dell laptop backlight brightness
display

On Tue, Feb 07, 2006 at 10:34:31AM -0600, Michael_E_Brown@Dell.com
wrote:
> You can get and set laptop brighness on Dell with the proper SMI call.

Oh, heavens. Could you people (and here I include pretty much everyone
who manufactures laptops) please (please!) just implement the ACPI video
extension? We're going to end up having to ship a 200K library for each
and every laptop manufacturer who's decided to implement basic
functionality in a proprietary manner, and it's going to make me cry.

(Which SMI do I need for brightness control? The libsmbios docs seem to
be remarkably quiet on what functionality is actually available, and I'm
not keen on calling things randomly :))

--
Matthew Garrett | mjg59@srcf.ucam.org
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