From: Matthew Garrett <mjg@redhat.com>
Date: Tue, 16 Feb 2010 21:53:50 +0000 (-0500)
Subject: ACPI video: Be more liberal in validating _BQC behaviour
X-Git-Tag: v2.6.34-rc2~37^2^11
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=70287db87cfc968fe78bf82a489833cc77b84352;p=pandora-kernel.git

ACPI video: Be more liberal in validating _BQC behaviour

Right now, if _BQC returns a value we don't understand we immediately
invalidate it. Change this behaviour so we only invalidate it if it
continues to give an invalid answer after we've already set a brightness.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Acked-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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