commit: c8303e7f3f3093c16ef0fa5f73280637c89d4368
From: Indan Zupancic <[email protected]>
Date: Wed, 12 Jan 2011 11:59:19 +0000
Subject: [PATCH] drm/i915/panel: The backlight is enabled if the current value 
is non-zero

.. and not if the maximum is non-zero. This fixes the typo introduced
in 47356eb6728501452 and preserves the backlight value from boot.

[ickle: My thanks also to Indan Zupancic for diagnosing the original
        regression and suggesting the appropriate fix.]
Signed-off-by: Chris Wilson <[email protected]>
Cc: [email protected] # after 47356eb6728501452
---
 drivers/gpu/drm/i915/intel_panel.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_panel.c 
b/drivers/gpu/drm/i915/intel_panel.c
index e00d200..c65992d 100644
--- a/drivers/gpu/drm/i915/intel_panel.c
+++ b/drivers/gpu/drm/i915/intel_panel.c
@@ -278,6 +278,6 @@ void intel_panel_setup_backlight(struct drm_device *dev)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
 
-       dev_priv->backlight_level = intel_panel_get_max_backlight(dev);
+       dev_priv->backlight_level = intel_panel_get_backlight(dev);
        dev_priv->backlight_enabled = dev_priv->backlight_level != 0;
 }

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