Nouveau color settings

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http://forums.fedoraforum.org – Hi. One way to change the brightness, contrast and gamma settings is to install the nvidia drivers and then use nvidia-settings to change them. Is it possible to do that somehow with nouveau drivers installed? I have a HP DV6000 laptop with nvidia 6150 chip. The gnome color app (in gnome settings) displays the Device but I cannot calibrate it, the button is inactive. oI am trying to ditch proprietory drivers once and for all - but I need to be able to adjust contrast, brightness can be adjusted using Fn+F7/F8 on my laptop. Any advice? :) (HowTos)