nvidia-detector fails to detect macbook air 3,1 GPU (nvidia 320M)

[Tom Fogal]

name@machine:/usr/src$ sudo dmidecode | grep -i macbook
 Product Name: MacBookAir3,1
 Family: MacBook

name@machine:/usr/src$ nvidia-detector
none
name@machine:/usr/src$ sudo nvidia-detector
none
name@machine:/usr/src$

According to google the card on a MBA 3,1 model is an nvidia 320M, a special kind of nvidia card manufactured for the air.

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: nvidia-common 1:0.2.35
ProcVersionSignature: Ubuntu 3.0.0-16.28-generic 3.0.17
Uname: Linux 3.0.0-16-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 1.23-0ubuntu4
Architecture: amd64
Date: Mon Feb 20 22:48:26 2012
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: nvidia-common
UpgradeStatus: No upgrade log present (probably fresh install)

[Launchpad Janitor (janitor)]

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