From: Jani Nikula <jani.nikula@intel.com>
Date: Mon, 3 Sep 2012 13:25:12 +0000 (+0300)
Subject: drm/i915: do not expose a dysfunctional backlight interface to userspace
X-Git-Tag: v3.6-rc6~14^2~5^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=28dcc2d60cb570d9f549c329b2f51400553412a1;p=pandora-kernel.git

drm/i915: do not expose a dysfunctional backlight interface to userspace

Previously intel_panel_setup_backlight() would create a sysfs backlight
interface with max brightness of 1 if it was unable to figure out the max
backlight brightness. This rendered the backlight interface useless.

Do not create a dysfunctional backlight interface to begin with.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Tested-by: David Woodhouse <David.Woodhouse@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---

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