From: Gustavo Maciel Dias Vieira <gustavo@sagui.org>
Date: Mon, 4 Mar 2013 15:23:37 +0000 (+0000)
Subject: ACPI video: ignore BIOS backlight value for HP dm4
X-Git-Tag: v3.2.47~39
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c58c2d2597e052789db8fb0864355b3e504d286b;p=pandora-kernel.git

ACPI video: ignore BIOS backlight value for HP dm4

commit 771d09b3c4c45d4d534a83a68e6331b97fd82e15 upstream.

On a HP Pavilion dm4 laptop the BIOS sets minimum backlight on boot,
completely dimming the screen. Ignore this initial value for this
machine.

Signed-off-by: Gustavo Maciel Dias Vieira <gustavo@sagui.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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