I have the same issue on a HP Spectre Folio 13 with Xubuntu 18.04. Internal microphone does not work. Headset microphone is detected when connected through a usb-c hub.
I have the same issue on a HP Spectre Folio 13 with Xubuntu 18.04. Internal microphone does not work. Headset microphone is detected when connected through a usb-c hub.