No sound on Asus Vivobook 14 Flip under Linux: Fixed

I recently purchased an Asus Vivobook 14 Flip (Model TP3407SA) for use under Linux. One of the obstacles I ran into: Playing sounds resulted in no audio, the device remained mute. However, it had worked under Windows. Time to investigate. This thread for Linux Mint turned out to be very helpful, even though I'm running Debian Trixie. It appears that current Linux kernels do not activate the Texas…