Ubuntu
hal package

  1. Bug #277589
  2. Comment #8

Comment 8 for bug 277589

Revision history for this message
Michael Doube (michael-doube) wrote : Re: sony brighness on a geforce series older than 8 (nvclock works fine)

Maybe this bug will be informative?
https://bugs.launchpad.net/ubuntu/+source/acpi-support/+bug/251665