> I've found (and written down) a partial solution here (in french) : http://www.e-glop.net/main/Installer_Ubuntu_sur_un_MacBook_5,2_en_Live_USB#Le_port_.22.C3.A9couteurs.22
you have to post the output of alsa-info.sh (using latest alsa driver ) # initialization sequence starts here... set(0x15, 0x707, 0xc5) # 0x150707c5 (SET_PIN_WIDGET_CONTROL) that script only set pin ctl of node 0x15 to 0xc5 ./hda-decode-verb 0x150707c5 raw value = 0x150707c5 cid = 1, nid = 0x50, verb = 0x707, parm = 0xc5 raw value: verb = 0x707, parm = 0xc5 verbname = set_pin_ctl -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/971561 Title: [MacBook5,2, Realtek ALC889A, Green Headphone Out, Rear] No sound at all To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/971561/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
