From fedbe9bc6fd3e14b1ffbb3dac407777ac4a3650c Mon Sep 17 00:00:00 2001
From: Alex Hung <alex.hung@canonical.com>
Date: Tue, 28 May 2013 02:05:09 +0000
Subject: [PATCH] ACPI / video: ignore BIOS initial backlight value for HP m4

On HP m4 lapops, BIOS reports minimum backlight on boot and
causes backlight to dim completely. This ignores the initial backlight
values and set to max brightness.

References: https://bugs.launchpad.net/bugs/1184501
Cc: All <stable@vger.kernel.org>
Signed-off-by: Alex Hung <alex.hung@canonical.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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