When trying to enable HDMI audio on Haswell machines we sometimes come across the following symptom:
- No audio output
- When looking at the /proc/asound/cardX/codecX file, it shows for the active pin node, that the right channel is muted and that the pin is in D3 (powersave) mode.
When trying to enable HDMI audio on Haswell machines we sometimes come across the following symptom:
- No audio output cardX/codecX file, it shows for the active pin node, that the right channel is muted and that the pin is in D3 (powersave) mode.
- When looking at the /proc/asound/