From: Jaroslav Kysela <perex@perex.cz>
To: Jan Pokorny <lists@t.poki.me>, alsa-devel@alsa-project.org
Cc: Mark Pearson <mpearson@lenovo.com>
Subject: Re: Lenovo P520/Realtek ALC662 - front jack & mic in [FIXED]
Date: Fri, 5 Jun 2020 11:44:34 +0200 [thread overview]
Message-ID: <70ccd2ef-8d72-221d-defe-6eb498e9f21e@perex.cz> (raw)
In-Reply-To: <f9cdb458-9e2e-c23b-675b-8b3ea55a8b51@poki.me>
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.
Jaroslav
--
Jaroslav Kysela <perex@perex.cz>
Linux Sound Maintainer; ALSA Project; Red Hat, Inc.
next prev parent reply other threads:[~2020-06-05 9:45 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-31 14:05 Cannot get Lenovo P520/Realtek ALC662 (rev 3) to produce sound Jan Pokorny
2020-05-31 16:07 ` Lenovo P520/Realtek ALC662 - front jack & mic in (Was: Cannot get Lenovo P520/Realtek ALC662 to produce sound) Jan Pokorny
2020-06-01 21:36 ` Lenovo P520/Realtek ALC662 - front jack & mic in Jan Pokorny
2020-06-02 11:59 ` Lenovo P520/Realtek ALC662 - front jack & mic in [FIXED] Jan Pokorny
2020-06-05 8:35 ` Takashi Iwai
2020-06-05 9:44 ` Jaroslav Kysela [this message]
2020-06-14 9:45 ` Jan Pokorny
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