[Bug 1869819] Re: [SRU] System can't detect external headset in the codec of Conexant

[hugh chao]

@Seb

Sorry for the inconvenience, I will be more careful next time,
thank you!

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Title:
  [SRU] System can't detect external headset in the codec of Conexant

Status in OEM Priority Project:
  Confirmed
Status in OEM Priority Project bionic series:
  New
Status in pulseaudio package in Ubuntu:
  Fix Released
Status in pulseaudio source package in Bionic:
  Fix Committed
Status in pulseaudio source package in Focal:
  Fix Released

Bug description:
  [Impact]
  In some hp's devices, there are two audio jacks(one headset and one headphone) in the audio interface which is using the codec of Conexant, and apparently it's not working, the system can't detect the headset in current codec.

  [Test Case]
  1. Insert 4 rings(3 stripes) headset into front audio port (headset icon)
  2. Check System Setting->Sound->Output

  [Expected result]
  Can detect external headset

  [Actual result]
  Only shows internal speaker.
  External headset microphone was detected.
  Another front audio port (earphone icon) works fine.

  [Regression Potential]
  Low.

  [Failure rate]
  100%

  [Additional information]
  system-product-name: HP EliteDesk 800 G5 SFF
  CPU: Intel(R) Core(TM) i7-9700 CPU @ 3.00GHz (8x)
  GPU: 00:02.0 VGA compatible controller [0300]: Intel Corporation Device [8086:3e98] (rev 02)
  OS-version: 18.04
  kernel-version: 4.15.0-1065-oem
  pulseaudio-version: 1:11.1-1ubuntu7.2

  Upstream issue:
  https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/merge_requests/272

  Ubuntu-Focal-Source:
  https://code.launchpad.net/~hugh712/ubuntu/+source/pulseaudio/+git/pulseaudio/+ref/focal-1869819

  PPA: https://launchpad.net/~hugh712/+archive/ubuntu/sru-1869819

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