[SRU]alsa-ucm-conf: the volume can't be adjusted on the usb audio of the Dell WD15/WD19 dock

[Hui Wang]

[Impact]
On the Dell WD15/19 Dock station, there is a USB audio card, and
a headset audio jack routes to this audio card. We found if we plug
some specific headset (non-iphone type headset), we could not record
any sound from headset-mic even we set the input volume to max.

[Fix]
Improve the ucm for the audio card in this Dock, let the driver mixer
value be adjustable, then we could adjust the input volume from driver
side.

[Test Case]
plug various types of headset to the WD19 and WD15 dock stations, and
adjust the input volume from gnome, check the input volume in the driver
by running amixer, found the input volume is changed in the driver;
record the sound from headset-mic, it could record the sound from all
headsets we tested.

[Regression Risk]
It could make the PA fail to load the ucm on the machines with Dell
WD15/WD19 dock station, then users only see analogue output/input from
gnome-control-center instead of usb-speaks usb-lineout and usb-mic.
But this possibility is very low since we have tested the patch on WD15
and WD19 dock, all worked very well.

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Hui Wang (hui.wang)]

This is the debdiff for Groovy.

thx.

[Hui Wang (hui.wang)]

And this is the debdiff for Focal.

thx.

[Launchpad Janitor (janitor)]

This bug was fixed in the package alsa-ucm-conf - 1.2.2-1ubuntu4

---------------
alsa-ucm-conf (1.2.2-1ubuntu4) groovy; urgency=medium

  * d/p/0017-USB-Audio-Dell-WD15-Dock-make-input-and-output-volum.patch
    Make the volume adjustable for USB audio on the Dell WD15/WD19 dock,
    otherwise even we set the input volume to max, we can't record the sound
    with some specific headset-mic (LP: #1893004)

 -- Hui Wang <email address hidden> Wed, 02 Sep 2020 01:00:39 +0000

[Chris Halse Rogers (raof)]

Hello Hui, or anyone else affected,

Accepted alsa-ucm-conf into focal-proposed. The package will build now and be available at https://launchpad.net/ubuntu/+source/alsa-ucm-conf/1.2.2-1ubuntu0.3 in a few hours, and then in the -proposed repository.

Please help us by testing this new package. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how to enable and use -proposed. Your feedback will aid us getting this update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug, mentioning the version of the package you tested, what testing has been performed on the package and change the tag from verification-needed-focal to verification-done-focal. If it does not fix the bug for you, please add a comment stating that, and change the tag to verification-failed-focal. In either case, without details of your testing we will not be able to proceed.

Further information regarding the verification process can be found at https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in advance for helping!

N.B. The updated package will be released to -updates after the bug(s) fixed by this package have been verified and the package has been in -proposed for a minimum of 7 days.

[Leon Liao (lihow731)]

I verified the alsa-ucm-conf 1.2.2-1ubuntu0.3 on WD19 Dock station.
After applied new UCM configure, the volume of the headset microphone can be adjusted via the input device volume in Settings.

[Launchpad Janitor (janitor)]

This bug was fixed in the package alsa-ucm-conf - 1.2.2-1ubuntu0.3

---------------
alsa-ucm-conf (1.2.2-1ubuntu0.3) focal; urgency=medium

  * /d/p/0018-USB-Audio-Dell-WD15-Dock-make-input-and-output-volum.patch
    Make the volume adjustable for USB audio on the Dell WD15/WD19 dock,
    otherwise even we set the input volume to max, we can't record the sound
    with some specific headset-mic (LP: #1893004)

 -- Hui Wang <email address hidden> Wed, 02 Sep 2020 09:21:23 +0800

[Timo Aaltonen (tjaalton)]

The verification of the Stable Release Update for alsa-ucm-conf has completed successfully and the package is now being released to -updates. Subsequently, the Ubuntu Stable Release Updates Team is being unsubscribed and will not receive messages about this bug report. In the event that you encounter a regression using the package from -updates please report a new bug using ubuntu-bug and tag the bug report regression-update so we can easily find any regressions.

[Timo Aaltonen (tjaalton)]

this change was limited to a specific hw model, so even though it was in proposed for only two days I've released it so that another SRU can land in proposed..