[Bug 61184] Re: Screen brightness buttons don't work properly on Thinkpad Z61T

[zdzichu]

Thinkpad Z61t with broken brightness:

$   lshal|grep smbios.system
  smbios.system.uuid = 'C9ED4E80-4805-11CB-8D26-9E116E5DF32C'  (string)
  smbios.system.serial = 'L3A0534'  (string)
  smbios.system.version = 'ThinkPad Z61t'  (string)
  smbios.system.product = '94402CU'  (string)
  smbios.system.manufacturer = 'LENOVO'  (string)

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Screen brightness buttons don't work properly on Thinkpad Z61T
https://launchpad.net/bugs/61184