My laptop's screen brightness is auto set to maximum at login (= at the login screen already).

Even after I have adjusted it to lower it is again set to maximum after annother login. Is there a way to save the previous brightness settings in Ubuntu 12.04?

Additional Info by gentmatt:

This definitely seems to be related to the used graphics.

• When using the discrete graphics, the brightness is set to maximum on every boot.

  
  



• When using the integrated graphics, the brightness setting which Mac OS X has set is used.

  
  

  But Ubuntu does not change that setting. It uses the stored setting by OS X. Therefore, the brightness at login is only changed, when OS X changes the brightness.