The Laptop in question is an HP 15-bs212wm, and the Mic works fine under Windows..... :\ Anywho, here's the output of lspci:
hp-laptop-15-bs212wm
description: Notebook
product: HP Laptop 15-bs2xx (3TT16UA#ABA)
vendor: HP
version: Type1ProductConfigId
serial: CND815512F...