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/1858156
Title:
alsa/hda/realtek: chain a fixup to an existing quirk to fix the
heaset-mic problem on 2 Dell machines
Status in HWE Next:
New
Status in linux package in Ubuntu:
Incomplete
Status in linux-oem package in Ubuntu:
Invalid
Status in linux source package in Bionic:
New
Status in linux-oem source package in Bionic:
Fix Released
Bug description:
The fixup ALC256_FIXUP_SKIP_FORCE_RESUME is for fixing the hdmi audio
problem after resuming, and this problem only happens under oem-b
kernel, so this fixup is only needed for oem-b kernel, for D/E and
future kernels, they don't need this patch because fallback_tbl will
apply HEADSET_MIC fixup to these machines automatically.
[Impact]
The external mic can't be detected and can't record sound.
[Fix]
apply an fixup ALC255_FIXUP_DELL1_MIC_NO_PRESENCE
[Test Case]
test the kernel with this patch, the headset mic can be detected and
can record sound.
[Regression Risk]
Low, this quirk is specific to 2 dell machines.
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