Comment 58 for bug 137234

(In reply to comment #33)
> Ok sounds like the original bug is fixed here then. The brightness problem
> could be a kernel issue, can you file a new bug for that with the output of
> "xrandr --prop" attached and also a listing of your /sys/class/backlight
> directory (along with the other usual bits)?
>

Jesse, only if Vincenzo connect the monitor _before_ power on the machine, it works. If boot without external monitor , there is no way to bring it up using xrandr. That's what comment# 31 mean... It looks like a pipe is always disabled...

Correct me if I'm wrong, Vincenzo.

thanks.