Lenovo P520/Realtek ALC662 - front jack & mic in [FIXED]

[Takashi Iwai]

On Tue, 02 Jun 2020 13:59:31 +0200,
Jan Pokorny wrote:
> 
> I wonder why there are no pointers anywhere, at least in alsa-info.sh
> output that would perhaps make the case clear for the experts amongst
> you.  Or somewhere else, where it could be raised as a suggestion:
> 
>   It appears as if you have a card/coded that relies on UCM for it
>   to be used to the full extent, and UCM does not appear to be
>   installed.  Try installing that software, commonly packaged as
>   alsa-ucm.  Having it up-to-date may also help.

Unfortunately it's not so trivial for now.  The UCM is optional, and
there is no specific indicator that mandates UCM profile from the
driver side, so far.

We might need to introduce some more hints for UCM profile, e.g. via
ALSA component string.


thanks,

Takashi