** No longer affects: linux-oem-osp1 (Ubuntu Eoan)
** Changed in: linux-oem-osp1 (Ubuntu)
Status: New => Invalid
** Changed in: linux-oem-osp1 (Ubuntu Disco)
Status: New => Invalid
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https://bugs.launchpad.net/bugs/1853791
Title:
External microphone can't work on some dell machines with the codec
alc256 or alc236
Status in HWE Next:
New
Status in linux package in Ubuntu:
Incomplete
Status in linux-oem-osp1 package in Ubuntu:
Invalid
Status in linux source package in Bionic:
Fix Committed
Status in linux-oem-osp1 source package in Bionic:
Fix Committed
Status in linux source package in Disco:
Fix Committed
Status in linux-oem-osp1 source package in Disco:
Invalid
Status in linux source package in Eoan:
Fix Committed
Bug description:
[Impact]
The external microphone can't work on some dell machines with the
codec alc256 or alc236
[Fix]
Need to apply the ALC255_FIXUP_DELL1_MIC_NO_PRESENCE, instead of
adding a new pintbl in the quirk table, we use fallback table this
time.
[Test Case]
tested the kernel with these patches, the external mic worked well.
[Regression Risk]
Low, just make the quirk applying more generic.
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