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

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Message-ID: <878vlgjyjl.fsf@prochyra.name>
Date:	Mon, 09 Jan 2012 22:34:06 +0000
From:	Andrzej Prochyra <andrzej@...chyra.name>
To:	David Herrmann <dh.herrmann@...glemail.com>
Cc:	Corentin Chary <corentincj@...aif.net>,
	platform-driver-x86@...r.kernel.org,
	Zhang Rui <rui.zhang@...el.com>, linux-kernel@...r.kernel.org,
	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

David Herrmann <dh.herrmann@...glemail.com> writes:
> 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.

I can confirm on my N150 Plus.  Now only 'intel_backlight' is created
and exhibits the aforementioned issues.

-- 
Andrzej Prochyra
<andrzej@...chyra.name>
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