Can you get me the ACPI interface documentation?  It should be simple to get 
it, but I haven't emailed the Lenovo BIOS engineers for some time.

Basically, create a new LED method in thinkpad-acpi, lock it down to vendor 
lenovo, detect the new interfaces, and only check the two-argument LED one if 
the newer ones aren't found.

Not supporting the old /proc interface on new thinkpads is fine.

-- 
  "One disk to rule them all, One disk to find them. One disk to bring
  them all and in the darkness grind them. In the Land of Redmond
  where the shadows lie." -- The Silicon Valley Tarot
  Henrique Holschuh
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