APPLIED Re: [SRU][OEM-5.14][PATCH 0/1] alsa/hda: the microphone can't be detected on a couple of lenovo machines

[Timo Aaltonen]

On 13.12.2021 5.06, Hui Wang wrote:
> BugLink: https://bugs.launchpad.net/bugs/1954612
> 
> Becase the OEM project schedule needs this patch to be merged to
> oem-5.14 asap, So I send this SRU to oem-5.14 only, other kernels
> will merge this patch through stable update.
> 
> [Impact]
> We plug a microphone in the audio jack, but the driver can't
> detect the microphone and we try to record sound via this mic,
> can't record any sound.
> 
> [Fix]
> Backport one patch from upstream.
> 
> [Test]
> Booting the patched kernel, open the gnome-sound-setting, plug a microphone,
> we could see the system detect the microphone, and use this mic to record
> sound, the sound is recorded successfully.
> 
> [Where problems could occur]
> The change only applies to the specific machines with those SSIDs, it will
> not introduce regression on other machines.
> 
> 
> Kailang Yang (1):
>    ALSA: hda/realtek - Add headset Mic support for Lenovo ALC897 platform
> 
>   sound/pci/hda/patch_realtek.c | 40 +++++++++++++++++++++++++++++++++++
>   1 file changed, 40 insertions(+)
> 

applied to oem-5.14, thanks

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t