[Nouveau] [Bug 31122] Cannot control backlight intensity on Powerbook

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=31122

Martin Peres <martin.peres at free.fr> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEEDINFO                    |NEW

--- Comment #10 from Martin Peres <martin.peres at free.fr> ---
Nice to see a patch :)

However, this patch exposes a backlight even when there is no panel connected.
Could you come up with an heuristic to detect if there is or not a backlight?

The normal thing to do is to check in the GPIO table of the bios (check it out
using envytools's nvbios and nvagetbios).

I can assist a little for this.

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