From: Jani Nikula <jani.nikula@intel.com>
Date: Fri, 8 Nov 2013 14:49:01 +0000 (+0200)
Subject: drm/i915: debug print on backlight register
X-Git-Tag: next-20131202~36^2~46^2~6
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=c445b3b1e02a40666b7e4bea58bce0c4723eba4f;p=karo-tx-linux.git

drm/i915: debug print on backlight register

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---

diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
index 9a55b36370b3..3dd9f57da69c 100644
--- a/drivers/gpu/drm/i915/intel_panel.c
+++ b/drivers/gpu/drm/i915/intel_panel.c
@@ -1065,6 +1065,12 @@ int intel_panel_setup_backlight(struct drm_connector *connector)
 
 	panel->backlight.present = true;
 
+	DRM_DEBUG_KMS("backlight initialized, %s, brightness %u/%u, "
+		      "sysfs interface %sregistered\n",
+		      panel->backlight.enabled ? "enabled" : "disabled",
+		      panel->backlight.level, panel->backlight.max,
+		      panel->backlight.device ? "" : "not ");
+
 	return 0;
 }