linux-kernel - Re: [PATCH 1/3] ACPI: Provide config option to disable BIOS brightness changes on power events

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Date:	Fri, 17 Feb 2012 20:27:04 +0100
From:	Pavel Machek <pavel@....cz>
To:	Matthew Garrett <mjg@...hat.com>
Cc:	linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org,
	lenb@...nel.org
Subject: Re: [PATCH 1/3] ACPI: Provide config option to disable BIOS
 brightness changes on power events

Hi!

> The default ACPI behaviour is to instruct the BIOS to automatically change
> brightness on power events. This may be undesirable for distributions who
> manage brightness in userspace. Provide a config option that disables this
> behaviour and leaves brightness control up to the OS.

Should this be configured during runtime?

Like... when userspace power management starts, it disables this?
-- 
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(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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