backlight: fix class_find_device() arguments
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 7 Feb 2013 00:43:02 +0000 (16:43 -0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 7 Feb 2013 00:43:02 +0000 (16:43 -0800)
Michał's previous patch missed this backlight check to fix up the
class_find_device() arguments.

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Cc: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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