[PATCH 3.16.y-ckt 029/165] drm/i915: Dell Chromebook 11 has PWM backlight

[Luis Henriques]

3.16.7-ckt9 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Jani Nikula <jani.nikula@xxxxxxxxx>

commit cf6f0af9fbdd90b81af14fa6375387131cd8adf1 upstream.

Add quirk for Dell Chromebook 11 backlight.

Reported-and-tested-by: Owen Garland <garland.owen@xxxxxxxxx>
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=93451
Acked-by: Damien Lespiau <damien.lespiau@xxxxxxxxx>
Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
Signed-off-by: Luis Henriques <luis.henriques@xxxxxxxxxxxxx>
---
 drivers/gpu/drm/i915/intel_display.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 00ca8c9a314f..c7d7dbec4965 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)
--
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