On Sun, Jan 09, 2022 at 07:32:13PM +0100, karl@??? wrote:
> I have a lenovo desktop computer which I cannot make sound work
> on, what am I missing ?
>
> It's a HDA AD1882 "sound card", but alsamixer says "no card".

kernel Documentation/sound/hd-audio/models.rst
includes

AD1882 / AD1882A
================
3stack
    3-stack mode
3stack-automute
    3-stack with automute front HP (default)
6stack
    6-stack mode

which I think means that these are possible "model" parameter
values for the driver.

Perhaps worth trying those?

ael