** Also affects: linux (Ubuntu Bionic)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1789145
Title:
Microphone cannot be detected with front panel audio combo jack on HP
Z8-G4 machine
Status in HWE Next:
New
Status in linux package in Ubuntu:
Incomplete
Status in linux source package in Bionic:
New
Bug description:
[Impact]
This bug comes from OEM cert project of HP, the front mic jack can't detect
any plug/unplug, and we can't record any sound from plugged mic. This is a
block for OEM project.
[Fix]
The fix comes from Realtek, it is said that this is a power issue, after
changing
the capability of the pin of linein, the power will keep being on for both
linein
and front mic, then this issue is fixed.
[Test Case]
We tested plug/unplug detection and record through iphone/nokia type
headset-mic,
all worked well.
[Regression Potential]
none, this is new added quirk, and only apply to the specific machine.
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