[xubuntu-users] Microphone not working on MacBookpro 15 (version 8.2) and Xubuntu 16.04

[Alejandro Comisario]

I have a Macbook pro 15 (version 8.2) with Xubuntu 14.04 the mic
worked out of the box, with xubuntu 16.04

* upgraded from 14.04
* fresh install

The mic does'nt get any signal, i have tried these:
http://askubuntu.com/questions/482626/microphone-not-working-on-ubuntu-14-04-on-macbookpro10-2

with no luck.
any help will be more than apreciated.

thanks

alejandrito