I found a workaround which reduces the problem. The microphone is still not working. I installed the mixer pavucontrol. In the configuration tab I switched off the HDMI profile. See attached screenshot. Now the speaker is working fine for me.
I found a workaround which reduces the problem. The microphone is still not working. I installed the mixer pavucontrol. In the configuration tab I switched off the HDMI profile. See attached screenshot. Now the speaker is working fine for me.