From d4967d8c6d4f52623f2be8eaff0b445dc5863c92 Mon Sep 17 00:00:00 2001
From: Scot Doyle <lkml14@scotdoyle.com>
Date: Thu, 3 Jul 2014 23:27:52 +0000
Subject: [PATCH] drm/i915: Toshiba CB35 has a controllable backlight

The Toshiba CB35 Chromebook (with Celeron 2955U CPU) has a controllable
backlight although its VBT reports otherwise. Apply quirk to ignore the
backlight presence check during backlight setup.

Patch tested by author on Toshiba CB35.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=79813
Signed-off-by: Scot Doyle <lkml14@scotdoyle.com>
CC: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Cc: stable@vger.kernel.org # 3.15 only
[danvet: Add cc: stable because the regressing commit is in 3.15.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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