drm/i915: quirk backlight present on Macbook 4, 1
commit 1b9448b0 upstream. Unsurprisingly macbooks have backlights, just the VBT doesn't seem to know it in this case. Reported-and-tested-by: Daniel Nicoletti <dantti12@gmail.com> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=88325 Fixes: c675949e ("drm/i915: do not setup backlight if not available according to VBT") Reviewed-by: Ander Conselvan de Oliveira <conselvan2@gmail.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1446716999-1796-1-git-send-email-jani.nikula@intel.comSigned-off-by: Luis Henriques <luis.henriques@canonical.com>
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