APPLIED Re: [SRU][OEM-5.6][PATCH 0/1] alsa/hda: The front Mic doesn't work on a HP machine

Timo Aaltonen tjaalton at
Tue Oct 13 07:57:21 UTC 2020

On 13.10.2020 10.04, Jeremy Szu wrote:
> BugLink:
> This fix is only for oem-5.6 kernel, other kernels will merge this
> patch with stable update. Our oem project needs this patch to be merged
> [Impact]
> When using a HP machine, after plugging the headset at front jack,
> there is no any input device shows.
> [Fix]
> The codec of the HP ZCentrol is alc671 and it needs to override the pin
> configuration to enable the headset mic.
> This patch is going to be merged by upstream, now backport it to
> oem-5.6 kernel.
> [Test Case]
> Boot the system, plug a headset and check the gnome-control-center,
> the Mic is active in the UI, and record the sound, it could record
> the sound.
> [Regression Risk]
> Low, this patch is to add a platform specific quirk to override pin
> configuration and already tested in this HP machine.
> Jeremy Szu (1):
>    UBUNTU: SAUCE: ALSA: hda/realtek - The front Mic on a HP machine doesn't work
>   sound/pci/hda/patch_realtek.c | 1 +
>   1 file changed, 1 insertion(+)

as discussed elsewhere, this is fine for oem-5.6, the other kernels will 
be handled by another submission as the upstream commit didn't come with 
cc: stable.

applied to oem-5.6, thanks


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