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
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=7fe058e24 ab9755adefa9f21 865de0494d89b0f e
ALSA: hda - Turn CX8200 into D3 as well upon reboot
ALSA: hda - Sleep for 10ms after entering D3 on Conexant codecs