You are correct, so I carried on. Unfortunately, the mere 10.13-Coffee_Audio_Controller patch for config.plist did not enable a Codec, but rehabman's FakePCIID.kext & FakePCIID_Intel_HDMI_Audio.kext did. I installed them to /L/E instead of C/kexts/others, then sleep worked for a bit (I won't...