gnome control center is missing the option 'dim brightness when on battery'

[Anton]

Up till natty (11.04), there was a gconf option reduce brightness_dim_battery, which would cause the brightness to be lowered by the specified amount *as soon as* the laptop went off AC power - great help for power saving! In oneiric, there is no corresponding dconf option for the power manager - and there is no option in the gnome-control-center either.

The gconf option still is there, but as far as I can see it has no effect on the behaviour.

Note: this is a different option than dimming on idle!

1) Ubuntu 11.10
2) Versions:
      gnome-control-center: 1:3.2.1-0ubuntu1
      gnome-power-manager: 3.2.1-0ubuntu1
3) Expected behaviour:
- I open power management options (and/or dconf) and find an option like: reduce brightness when on battery
4) what happened instead:
- no such option(s)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Chris D (cdekter)]

What is the status of this? I've tried asking on the GNOME mailing list and got zero reaction. Dimming the display on battery is a fundamental power management feature and needs to be added back in with a patch if the GNOME team doesn't deem this worth while. I offer my own time to develop this patch if necessary, let's just get it done.