linux-kernel - Re: [PATCH] Platform: samsung-laptop: add DMI information for Samsung N150 Plus

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Date:	Thu, 5 Jan 2012 08:18:07 +0100
From:	Corentin Chary <corentin.chary@...il.com>
To:	Corentin Chary <corentin.chary@...il.com>,
	Richard Schütz <r.schtz@...nline.de>,
	David Herrmann <dh.herrmann@...glemail.com>,
	Matthew Garrett <mjg59@...f.ucam.org>,
	Andrzej Prochyra <andrzej@...chyra.name>,
	platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org,
	"Zhang, Rui" <rui.zhang@...el.com>
Subject: Re: [PATCH] Platform: samsung-laptop: add DMI information for Samsung
 N150 Plus

On Wed, Jan 4, 2012 at 9:51 PM, Seth Forshee <seth.forshee@...onical.com> wrote:
> On Thu, Dec 29, 2011 at 12:49:41PM +0100, Corentin Chary wrote:
>> And that's ? Because new laptops that use SABI seems to have a working
>> acpi_video0.
>> Currently, N1{4,5}* seems to be affected.
>
> You can add the NF310 to the list of machines without a working
> acpi_video0. The disassembled DSDT is attached, and the backlight
> control methods are a bit puzzling. _BCM seems to only accept values
> that are multiples of 10, but _BCL returns several values that do not
> meet this criterion. However, when _BCM is called with any of the values
> from _BCL, even the ones that aren't multiples of 10, _BQC returns the
> corresponding value. I must be missing something.
>
> At any rate, no matter the value given to _BCM the brightness does not
> change.

What is the DMI string for this one ?
intel_backlight don't work either ?
-- 
Corentin Chary
http://xf.iksaif.net
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