Asahi Linux progress report

Asahi Linux progress report

It also has a set of verbs defined to confirm HDCP is in place before sending audio, but there's no standard way to encrypt the audio on a HDA link, just as there's no standard way to encrypt the audio on an AC97 link. And there's no standard way to do HDMI audio on AC97 at all, so the fact that HDCP can be checked in a standard fashion on HDA is neither here nor there - any AC97 audio implementation would do the same.