From: Jani Nikula <jani.nikula@intel.com>
Date: Thu, 19 Feb 2015 08:53:39 +0000 (+0200)
Subject: drm/i915: Dell Chromebook 11 has PWM backlight
X-Git-Tag: v3.16.35~2616
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=ae1bf5f59db20748ca2250d1aa4595844d5e0eef;p=thirdparty%2Fkernel%2Fstable.git

drm/i915: Dell Chromebook 11 has PWM backlight

commit cf6f0af9fbdd90b81af14fa6375387131cd8adf1 upstream.

Add quirk for Dell Chromebook 11 backlight.

Reported-and-tested-by: Owen Garland <garland.owen@gmail.com>
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=93451
Acked-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
---

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 00ca8c9a314ff..c7d7dbec49656 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -11703,6 +11703,9 @@ static struct intel_quirk intel_quirks[] = {
 
 	/* HP Chromebook 14 (Celeron 2955U) */
 	{ 0x0a06, 0x103c, 0x21ed, quirk_backlight_present },
+
+	/* Dell Chromebook 11 */
+	{ 0x0a06, 0x1028, 0x0a35, quirk_backlight_present },
 };
 
 static void intel_init_quirks(struct drm_device *dev)