linux-kernel - Re: [PATCH 01/14] ACPI / Video: blacklist some samsung laptops

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Message-ID: <20120320160537.GB6192@srcf.ucam.org>
Date:	Tue, 20 Mar 2012 16:05:37 +0000
From:	Matthew Garrett <mjg59@...f.ucam.org>
To:	Corentin Chary <corentin.chary@...il.com>
Cc:	platform-driver-x86@...r.kernel.org,
	Corentin Chary <corentincj@...aif.net>,
	Len Brown <lenb@...nel.org>, linux-acpi@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 01/14] ACPI / Video: blacklist some samsung laptops

On Tue, Mar 20, 2012 at 09:53:01AM +0100, Corentin Chary wrote:
> From: Corentin Chary <corentincj@...aif.net>
> 
> 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.

Are the hotkeys delivered via ACPI or via the Samsung device? If the 
latter, you can just do unregister_acpi_video() instead in the samsung 
driver and avoid having more machine-specific quirks in the ACPi code.

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