[Bug 1806532] Re: The line-out on the Dell Dock station can't work

[Brian Murray]

Hello Hui, or anyone else affected,

Accepted alsa-lib into cosmic-proposed. The package will build now and
be available at https://launchpad.net/ubuntu/+source/alsa-
lib/1.1.6-1ubuntu1.1 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 and change the tag from
verification-needed-cosmic to verification-done-cosmic. If it does not
fix the bug for you, please add a comment stating that, and change the
tag to verification-failed-cosmic. 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.

** Changed in: alsa-lib (Ubuntu Cosmic)
       Status: New => Fix Committed

** Tags added: verification-needed verification-needed-cosmic

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https://bugs.launchpad.net/bugs/1806532

Title:
  The line-out on the Dell Dock station can't work

Status in HWE Next:
  New
Status in alsa-lib package in Ubuntu:
  Fix Released
Status in linux package in Ubuntu:
  Fix Committed
Status in linux-oem package in Ubuntu:
  New
Status in alsa-lib source package in Cosmic:
  Fix Committed

Bug description:
  [Impact]
  On the Dell thunderbolt docs stations (WD15 and WD19), there are two playback
  devices, one is headphone, the other is line-out, but there is no UCM for
  these docks yet, so the pluseaudio only can handle the 1st playback device,
  need us to add the UCM for them, before adding UCM, we need to set the
  longname of the sound card in the linux kernel.

  [Fix]
  For Linux kernel: Cherry-picked 3 upstream patches, these patches add the longname of the sound card for the dock station.

  For alsa-lib: Cherry-picked 3 upstream patches from alsa-lib, these will
  add ucm configuration files for Dell WD15&19, and change the SPDIF conf
  in the USB-AUDIO.conf.

  [Test Case]
  Open the gnome-sound-setting, we can choose headphone-usb and lineout-usb from
  UI, and play sound via these devices

  [Regression Potential]
  Very low, these patches come from upstream, and the change is only specific
  to WD15 and WD19 dock station.

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