Merge git://git.infradead.org/~dwmw2/ideapad-2.6

* git://git.infradead.org/~dwmw2/ideapad-2.6:
  Call acpi_video_register() in intel_opregion_init() failure path
  ideapad: Only allow camera state to be set to 0 or 1
  ideapad: Stop using global variables
  Add Lenovo ideapad driver