This bug was fixed in the package linux-oem - 4.15.0-1073.83
---------------
linux-oem (4.15.0-1073.83) bionic; urgency=medium
* bionic/linux-oem: 4.15.0-1073.83 -proposed tracker (LP: #1863592)
* Support Headset Mic on HP cPC (LP: #1862313)
- ALSA: hda/realtek - Fixed one of HP ALC671 platform Headset Mic supported
* alsa/hda/realtek: chain a fixup to an existing quirk to fix the heaset-mic
problem on 2 Dell machines (LP: #1858156)
- SAUCE: ALSA: hda - chain the headset fix to an existing quirk
-- Chia-Lin Kao (AceLan) <acelan....@canonical.com> Mon, 17 Feb 2020
18:29:02 +0800
** Changed in: linux-oem (Ubuntu Bionic)
Status: Fix Committed => 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 Released
Status in linux-oem source package in Bionic:
Fix Released
Status in linux-oem-osp1 source package in Bionic:
Fix Released
Status in linux source package in Eoan:
Fix Released
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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