Ubuntu 12.10 and Macbook Air 1,1 no sound

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http://askubuntu.com – I ran lspci | grep Audio 00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 03) I've searched the forums and added the following line to alsa.conf macbook air sound options snd-hda-intel model=mbp3 Rebooted and no sound! I'm running single boot ubuntu 12.10 with 64 bit kernek. speakers and microphone do not work (HowTos)