No, that won't work. There wasn't a previous version of that firmware. And I forgot that xenial is carrying a backported version of i915, which is what you must be using since the one in 4.4 doesn't support Kabylake at all.
Let me look into this some more. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1645911 Title: linux-firmware package causes sound issues with after initramfs update To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-firmware/+bug/1645911/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
