Take a look at:
https://help.ubuntu.com/community/MacBookPro8-1/Natty#Wireless
Type: Posts; User: cuppido; Keyword(s):
Take a look at:
https://help.ubuntu.com/community/MacBookPro8-1/Natty#Wireless
Go to System Settings>Mouse and touchpad>Touchpad and check Two finger scrolling.
Instructions from http://homepage.uibk.ac.at/~c705283/archives/2011/09/04/linux_support_for_broadcom_4331_wireless_chip_macbook_pro_81/index.html are working in my MBP 8,2 in Oneiric.