This bug was fixed in the package linux-oem-osp1 - 5.0.0-1037.42

---------------
linux-oem-osp1 (5.0.0-1037.42) bionic; urgency=medium

  * bionic/linux-oem-osp1: 5.0.0-1037.42 -proposed tracker (LP:
#1860784)

  * [Dell Vostro 5490] proposed linux-oem-osp1 suspend resume fails
    (LP: #1860642)
    - Revert "ASoC: SOF: Intel: Fix CFL and CML FW nocodec binary names."
    - Revert "ASoC: Intel: acpi-match: split CNL tables in three"
    - Revert "ASoC: SOF: Intel: hda: use fallback for firmware name"

 -- Timo Aaltonen <timo.aalto...@canonical.com>  Fri, 24 Jan 2020
15:02:03 +0200

** Changed in: linux-oem-osp1 (Ubuntu)
       Status: Invalid => Fix Released

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https://bugs.launchpad.net/bugs/1857496

Title:
  usb-audio: the mic can't record any sound after resume on Dell Dock
  WD19

Status in HWE Next:
  New
Status in OEM Priority Project:
  New
Status in linux package in Ubuntu:
  In Progress
Status in linux-oem package in Ubuntu:
  Invalid
Status in linux-oem-osp1 package in Ubuntu:
  Fix Released
Status in linux source package in Bionic:
  Fix Committed
Status in linux-oem source package in Bionic:
  Fix Committed
Status in linux-oem-osp1 source package in Bionic:
  Fix Released
Status in linux source package in Eoan:
  Fix Committed

Bug description:
  [Impact]
  There is a heaset jack on the dock, after resume, the mic on that jack
  can't record sound anymore, need to close the recording app then reopen
  that app to workaround this issue.

  [Fix]
  set the interface and EP, then the mic can record sound again.

  
  [Test Case]
  test the kernel with this patch, the mic can record sound after resume.

  [Regression Risk]
  Low, this quirk is specific to WD19 (usb vednor and device id).

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