diff mbox

[v7,7/9] drm/i915: Restore brightness level in aux backlight driver

Message ID 20170511230225.142870-8-puthik@chromium.org (mailing list archive)
State New, archived
Headers show

Commit Message

Puthikorn Voravootivat May 11, 2017, 11:02 p.m. UTC 
Some panel will default to zero brightness when turning the
panel off and on again. This patch restores last brightness
level back when panel is turning back on.

Signed-off-by: Puthikorn Voravootivat <puthik@chromium.org>
Reviewed-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
---
 drivers/gpu/drm/i915/intel_dp_aux_backlight.c | 1 +
 1 file changed, 1 insertion(+)
diff mbox

Patch

diff --git a/drivers/gpu/drm/i915/intel_dp_aux_backlight.c b/drivers/gpu/drm/i915/intel_dp_aux_backlight.c
index 1c5459bc20ae..0b48851013cc 100644
--- a/drivers/gpu/drm/i915/intel_dp_aux_backlight.c
+++ b/drivers/gpu/drm/i915/intel_dp_aux_backlight.c
@@ -159,6 +159,7 @@  static void intel_dp_aux_enable_backlight(struct intel_connector *connector)
 	}
 
 	set_aux_backlight_enable(intel_dp, true);
+	intel_dp_aux_set_backlight(connector, connector->panel.backlight.level);
 }
 
 static void intel_dp_aux_disable_backlight(struct intel_connector *connector)