From: Zhang Rui <rui.zhang@intel.com>
Date: Wed, 18 Mar 2009 08:27:16 +0000 (+0800)
Subject: ACPI video: support _BQC/_BCL/_BCM methods that use index values
X-Git-Tag: v2.6.30-rc1~199^2~16^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1a7c618a3f7bef1a20ae740df512eeba21397fa5;p=pandora-kernel.git

ACPI video: support _BQC/_BCL/_BCM methods that use index values

The input/output of _BQC/_BCL/_BCM control methods should be represented
by a number between 0 and 100, and can be thought of as a percentage.
But some buggy _BQC/_BCL/_BCM methods use the index values instead.
http://bugzilla.kernel.org/show_bug.cgi?id=12302
http://bugzilla.kernel.org/show_bug.cgi?id=12249
http://bugzilla.kernel.org/show_bug.cgi?id=12037

Add the functionality to support such kind of BIOSes in ACPI video driver.

Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Acked-by: Matthew Garrett <mjg59@srcf.ucam.org>
Acked-by: Thomas Renninger <trenn@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
---

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