linux-kernel - Re: [PATCH] ACPI: video: DMI workaround broken Acer 5710 BIOS enabling display brightness

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Message-ID: <20100614142554.GA22158@srcf.ucam.org>
Date:	Mon, 14 Jun 2010 15:25:54 +0100
From:	Matthew Garrett <mjg59@...f.ucam.org>
To:	Ozan Çağlayan <ozan@...dus.org.tr>
Cc:	linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org
Subject: Re: [PATCH] ACPI: video: DMI workaround broken Acer 5710 BIOS
	enabling display brightness

On Mon, Jun 14, 2010 at 10:17:44AM +0300, Ozan Çağlayan wrote:
> Acer Aspire 5710 suffers from a similar ACPI problem reported at:
>  http://bugzilla.kernel.org/show_bug.cgi?id=13121

Bleah. Is this really necessary? If we set maximum brightness and then 
read back something other than maximum brightness, then that gives us 
the offset.

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