APPLIED: [SRU][Bionic][PATCH] Microphone cannot be detected with front panel audio combo jack on HP Z8-G4 machine

Kleber Souza kleber.souza at canonical.com
Tue Sep 4 14:16:24 UTC 2018


On 08/27/18 04:07, Hui Wang wrote:
> BugLink: https://bugs.launchpad.net/bugs/1789145
> 
> [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.
> 
> 
> Kailang Yang (1):
>   ALSA: hda/realtek - Fix HP Headset Mic can't record
> 
>  sound/pci/hda/patch_realtek.c | 16 ++++++++++++++++
>  1 file changed, 16 insertions(+)
> 

Applied to bionic/master-next branch.

Thanks,
Kleber




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