linux-kernel - Re: [PATCH] ACPI / Video: blacklist some samsung laptops

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Message-ID: <CANq1E4QGahjrxm5B59HGnrfO3LP4kV6bc27BKQDvnJ4HBKAFMg@mail.gmail.com>
Date:	Mon, 9 Jan 2012 17:39:43 +0100
From:	David Herrmann <dh.herrmann@...glemail.com>
To:	Corentin Chary <corentincj@...aif.net>
Cc:	platform-driver-x86@...r.kernel.org,
	Zhang Rui <rui.zhang@...el.com>, linux-kernel@...r.kernel.org,
	Andrzej Prochyra <andrzej@...chyra.name>,
	Matthew Garrett <mjg59@...f.ucam.org>,
	Richard Schütz <r.schtz@...nline.de>,
	Seth Forshee <seth.forshee@...onical.com>,
	Len Brown <lenb@...nel.org>, linux-acpi@...r.kernel.org
Subject: Re: [PATCH] ACPI / Video: blacklist some samsung laptops

Hi Corentin

On Sat, Jan 7, 2012 at 3:12 PM, Corentin Chary <corentincj@...aif.net> wrote:
> On these laptops, the ACPI video is not functional, and very unlikely
> to be fixed by the vendor. Note that intel_backlight works for some
> of these laptops, and the backlight from samsung-laptop always work.
>
> The good news is that newer laptops have functional ACPI video device
> and won't end up growing this list.
>
> Signed-off-by: Corentin Chary <corentincj@...aif.net>
> ---
>
> Could the concerned people test this patch and check that it correctly
> disable the acpi_video backlight ?

Works like a charm on my N210 with linux-3.2. Feel free to add a:
Tested-by: David Herrmann <dh.herrmann@...glemail.com>

I will talk to the intel drm developers about the intel_backlight
issues as they don't seem related to this driver.

Thanks
David
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