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

[Jan Pokorny]

Hello,

On 6/5/20 11:44 AM, Jaroslav Kysela wrote:
> Dne 02. 06. 20 v 13:59 Jan Pokorny napsal(a):
>> Problem solved!
>>
>> The solution was as simple as installing alsa-ucm package.
>> (Extra credit to Mark Pearson for pointing some recent changes
>> in that project out to me.)
>>
>> Color me very embarrassed.
>>
>> Perhaps the intention of keeping the package set minimal backfired
>> (EDIT: nope, nothing seems to be actively associated with that
>> package incl. opt-in ones), but frankly, have never needed this package,
>> not even heard about it before.
>>
>> 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.
>>
>> [if not anything else, perhaps at least this makes it on-topic for
>> the list]
>>
>> Perhaps even close relationship between alsa-utils and alsa-ucm,
>> on the suggests/recommends level or something like that?
>>
>> On the whole it seems more enlightenment towards users is advisable,
>> on more than one front, mainly for the ignorants like me :-)
> 
> Thanks for this analysis. Please, create a Fedora bug for this for the 
> further analysis / fixes. The alsa-ucm is installed for the workstation 
> GUIs:
> 
> https://pagure.io/fedora-comps/blob/master/f/comps-f33.xml.in
> 
> See "Fedora Workstation", "LXDE Desktop", "LXQt Desktop" etc. All 
> depends on the "multimedia" package group which contains alsa-ucm.
> 
> Anyway, it's a distro problem, so move the discussion to the right place.

Yes, filed this wish to have actual functional dependencies more visible
at the distro _and_ deployment level against Fedora:

https://bugzilla.redhat.com/show_bug.cgi?id=1846787

Thanks everyone for the inputs so far

-- 
Jan {poki)