I came up with a fix and now it's in the queue for future stable kernels. The next Canonical kernel should have the fix for this included.
https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable- queue.git/commit/queue-4.18?id=7fe058e24ab9755adefa9f21865de0494d89b0fe ALSA: hda - Turn CX8200 into D3 as well upon reboot ALSA: hda - Sleep for 10ms after entering D3 on Conexant codecs -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1763994 Title: LG Gram sound issues after rebooting Ubuntu To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1763994/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
