It's the same for the MacBook 4,1. See https://bugs.launchpad.net/ubuntu/+source/linux/+bug/289552
Can you post "lspci|grep Audio" to see if it's maybe the same chipset?
Regards, beauman
It's the same for the MacBook 4,1. /bugs.launchpad .net/ubuntu/ +source/ linux/+ bug/289552
See https:/
Can you post "lspci|grep Audio" to see if it's maybe the same chipset?
Regards,
beauman