Hello Hui, or anyone else affected,

Accepted alsa-ucm-conf into hirsute-proposed. The package will build now
and be available at https://launchpad.net/ubuntu/+source/alsa-ucm-
conf/1.2.4-2ubuntu1.2 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-
hirsute to verification-done-hirsute. If it does not fix the bug for
you, please add a comment stating that, and change the tag to
verification-failed-hirsute. 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.

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to alsa-ucm-conf in Ubuntu.
https://bugs.launchpad.net/bugs/1936009

Title:
  [SRU] The internal mic of Dell Precision 5750 can't record sound

Status in HWE Next:
  New
Status in OEM Priority Project:
  New
Status in alsa-ucm-conf package in Ubuntu:
  Fix Released
Status in alsa-ucm-conf source package in Focal:
  In Progress
Status in alsa-ucm-conf source package in Hirsute:
  Fix Committed
Status in alsa-ucm-conf source package in Impish:
  Fix Released

Bug description:
  [Impact]
  After upgrade the linux kernel, the mixer names of rt715 is changed, the 
current alsa-ucm-conf will fail to initialize that codec, then users can't 
record sound from internal mic since the internal mic is routed to the codec 
rt715.

  [Fix]
  Backport 3 upstream commits, after applying these 3 commits, the ucm conf 
file dosn't initialize the codec with hardcoded mixer names anymore, it will 
check the existence of the mixer name first, then conditionally initialize the 
codec.

  [Test]
  run 'alsactl init 1' on the precision 5750 with old and new kernel, there is 
no error logs, use the internal mic to record sound, it could record 
successfully.

  [Where problems will occur]
  The change only affects the rt715 codec, so far, that codec only connects to 
the internal mic on Dell soundwire audio machines, so it could introduce 
regression on the internal mic like users can't record sound via internal mic 
anymore on the Dell soundwire audio machines. But this possibility is very low 
since we already tested these 3 commits on different Dell soundwire audio 
machines (latitude and precision). We tested it with old kernel and new kernel, 
all worked well.

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