came via upstream stable update
** Changed in: linux-oem-5.14 (Ubuntu Focal)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1947092
Title:
Headphone microphone not working on particular Dell laptops
Status in HWE Next:
New
Status in linux package in Ubuntu:
In Progress
Status in linux-oem-5.13 package in Ubuntu:
Invalid
Status in linux-oem-5.14 package in Ubuntu:
Invalid
Status in linux source package in Focal:
In Progress
Status in linux-oem-5.13 source package in Focal:
Fix Released
Status in linux-oem-5.14 source package in Focal:
Fix Released
Status in linux source package in Hirsute:
In Progress
Status in linux-oem-5.13 source package in Hirsute:
Invalid
Status in linux-oem-5.14 source package in Hirsute:
Invalid
Status in linux source package in Impish:
In Progress
Status in linux-oem-5.13 source package in Impish:
Invalid
Status in linux-oem-5.14 source package in Impish:
Invalid
Bug description:
[SRU Justification]
[Impact]
The Dell Latitude 5430 series with Realtek audio codec ALC3254 fail to detect
the headphone microphone and thus unable to do recording.
[Fix]
The realtek audio quirk ALC269_FIXUP_DELL4_MIC_NO_PRESENCE is required since
the NID used for headphone microphone should be 0x1b instead of 0x1a, which is
used for former ALC225/295 variants.
[Test Case]
1. Plug in the headphone microphone on the particular Dell Latitude 5430
laptop
2. Make sure it's detected in Audio Settings. (pulseaudio)
3. Record the sound via the headphone microphone and check the recorded
content.
[Where problems could occur]
No. Since the audio quirk only affect the machine with particular subsystem
ID.
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