APPLIED [OEM-5.13] Re: [SRU][OEM-5.13][PATCH 0/1] The front mic can't be detected on a lenovo thinkstation machine

[Hui Wang]

On 9/13/21 2:57 PM, Timo Aaltonen wrote:
> On 9.9.2021 12.49, Hui Wang wrote:
>> BugLink: https://bugs.launchpad.net/bugs/1937144
>>
>> The patch was already sent to oem-5.10, and the patch is already in
>> the mainline kernel 5.14-rc3, our oem-5.13 kernel doesn't have this
>> patch yet. So send this patch to oem-5.13 kernel only here.
>>
>> [Impact]
>> Users plug a headset or microphone to the front mic jack, but the
>> system can't detect the plug and will not set the mic to be the
>> active input device.
>>
>> [Fix]
>> Backport a upstream patch, this will change the front mic jack's
>> name from Front Mic to Mic, then the pulseaudio could handle the
>> plug/unplug.
>>
>> [Test]
>> Plug a headset to the front mic jack, open the gnome-sound-setting,
>> the front mic is the active input device, use this device to record
>> sound, it could record the sound successfully.
>>
>>
>> [Where problems could occur]
>> It could make the other mic can't be detected, but this possibility is
>> very low and I alreaed tested all audio jacks on that machine, all 
>> worked
>> well as before.
>>
>>
>> Hui Wang (1):
>>    ALSA: hda/realtek: Fix pop noise and 2 Front Mic issues on a machine
>>
>>   sound/pci/hda/patch_realtek.c | 1 +
>>   1 file changed, 1 insertion(+)
>>
>
> applied to oem-5.13, thanks
>
> shouldn't this get applied in impish kernel too?

It is weird that the impish kernel doesn't have this patch since this 
patch is already in the stable kernel v5.13.6. I guess the impish kernel 
will merge this patch with the next stable patches update.