Comment 88 for bug 1958019

Revision history for this message
In , mysubstmp (mysubstmp-linux-kernel-bugs) wrote :

What is the codec of the yoga duet 7i?
Is it also Realtek ALC287?

-Thiago

> On Feb 7, 2021, at 3:20 PM, <email address hidden> wrote:
>
> https://bugzilla.kernel.org/show_bug.cgi?id=208555
>
> --- Comment #74 from Cameron (<email address hidden>) ---
> I used the arch patches and kernel config to build the exact equivalent
> of 5.4.88-1-lts. This did not fix anything as expected as the 3 Arch
> patches were all unrelated to audio/alsa so this is not a surprise (one
> was to the documentation). Of course, I checked pavucontrol, alsamixer,
> etc. Made sure nothing was muted, played with the volumes in case it
> would "unstick" anything.
>
> Either there are some differences between Yoga Duet 7i and the Lenovo
> Legion 7i and/or there's some important userspace differences. I suspect
> the former. But even if the Duet 7i has its sound issues addressed
> first, this could potentially go a long way towards helping to figure
> out what the Legion 7i needs. Can someone with a Duet confirm that
> vanilla 5.4.88 works and 5.4.89 does not? If so, bisecting should narrow
> down the issue.
>
>> On 2/7/21 12:52 PM, <email address hidden> wrote:
>> https://bugzilla.kernel.org/show_bug.cgi?id=208555
>>
>> --- Comment #73 from <email address hidden> ---
>> (In reply to Cameron from comment #72)
>>> Vanilla 5.4.88 doesn't resolve the issue, at least not for me on Kubuntu
>>> 20.10. Earlier 5.4 kernels that I've tested in the past have not fixed
>>> the issue.
>>>
>>> I'm not really familiar with Arch... but if I can find the Arch patchset
>>> for 5.4.88, I'll try it out and report back.
>>>
>>> On 2/7/21 10:31 AM, <email address hidden> wrote:
>>>> https://bugzilla.kernel.org/show_bug.cgi?id=208555
>>>>
>>>> --- Comment #71 from <email address hidden> ---
>>>> (In reply to Grigory Malivenko from comment #70)
>>>>> (In reply to TT from comment #69)
>>>>>> So which pins are you specifically talking about?
>>>>>>
>>>>>> What about comparing to the Arch Linux configuration?
>>>>>> People mentioned here that the sound works with Arch Linux fresh
>>>>>> installation.
>>>>> I tried Arch Linux fresh installation + Lenovo Legion 7 15IMH05 and
>>> speakers
>>>>> don't work.
>>>> On my system, the Lenovo Yoga Duet 7i, volume doesn't work out of the box.
>>>> I've
>>>> not found any arch systems that have sound working out of the box. You
>>>> must
>>>> use
>>>> earlier an earlier LTS kernel "5.4.88-1-lts". Upgrading to 5.4.89-1-lts
>>>> and
>>>> newer will break sound again. I'm not sure why this is such a big deal now
>>>> since I've mentioned this. Devs could just use whatever works in 5.4.88
>>>> LTS
>>>> and
>>>> add it to newer kernels. Or tell us how to do it and I'll try myself.
>>>>
>> Then there must be some other differences with sound for the Legion 7i and
>> the
>> Yoga Duet 7i. Try removing sof-firmware and make sure it isn't muted in
>> pavucontrol
>>
>
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