Librem 14v1 wired microphone does not work

[fsflover]

@mladen

Please update coreboot/PureBoot and EC firmware if you haven’t done so already and try again.

See also:

External Microphone via 3.5mm Jack (Librem 14)

Hello All, Was anyone able to make external microphone to work via 3.5mm jack on Librem 14? Should this be resolved in Pureboot or Embedded Controller? (notify @MrChromebox & @nicole.faerber)