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

[Kai-Heng Feng]

at 10:07, Hui Wang <hui.wang at canonical.com> 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(+)

Acked-by: Kai-Heng Feng <kai.heng.feng at canonical.com>

>
> -- 
> 2.7.4
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