drm/i915: add quirk to enable backlight on Dell Chromebook 11 (2015)

commit 9be64eee upstream.
Reported-by: Keith Webb <khwebb@gmail.com>
Suggested-by: Keith Webb <khwebb@gmail.com>
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=106671Reviewed-by: Clint Taylor <Clinton.A.Taylor@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1446209424-28801-1-git-send-email-jani.nikula@intel.comSigned-off-by: Luis Henriques <luis.henriques@canonical.com>

drivers/gpu/drm/i915/intel_display.c

@@ -11711,6 +11711,9 @@ static struct intel_quirk intel_quirks[] = {
 
 	/* Dell Chromebook 11 */
 	{ 0x0a06, 0x1028, 0x0a35, quirk_backlight_present },
+
+	/* Dell Chromebook 11 (2015 version) */
+	{ 0x0a16, 0x1028, 0x0a35, quirk_backlight_present },
 };
 
 static void intel_init_quirks(struct drm_device *dev)