Comment 281 for bug 1958019

DavidLenovo,

Whoops, I misunderstood who you were responding to. But having your
alsa-info would also help.

Roland,

Can you also share your alsa-info with me? Even if you do have an
ALC287, it's likely that your Dell requires a different sequence for
initialization.

On 6/23/21 10:11 AM, Cameron Berkenpas wrote:
> It definitely is. What's missing a sequence of HDA verbs specific to
> your model of laptop to get the speakers going. This probably sets the
> speaker amplifier chips.
>
> Can you share your alsa-info? Skimming through the bug, I wasn't able
> to find for you.
>
> Have you tried the verb work around (without the S3 workaround)? How
> well does that work for you?
>
> On 6/23/21 12:56 AM, <email address hidden> wrote:
>> https://bugzilla.kernel.org/show_bug.cgi?id=208555
>>
>> --- Comment #257 from DavidLenovo (<email address hidden>) ---
>> (In reply to Roland from comment #192)
>>> (In reply to DavidLenovo from comment #191)
>>>> I think it is normal, this patch is for Lenovo Yoga 7i, and it
>>>> depend on
>>> the
>>>> hardware, so don't have the same :(.
>>> It's easy to port this patch to Dell, but that's not the point: iasl
>>> fails
>>> even without applying the patch, which should not happen ;-) But I
>>> think I
>>> have to ask the iasl people why this fails.
>>>
>>>> The S3 problem can be resolve by a BIOS option, Lenovo put a locked
>>>> BIOS so
>>>> we can't. But if Dell is better on this you could try to find an
>>>> option S3,
>>>> or energy, ACPI, it disable for Windows compatibility.
>>> It's a similar issue on Dell. S3 in BIOS is enabled, but:
>>>
>>> $ cat /sys/power/mem_sleep
>>> [s2idle]
>>> $ sudo dmesg |grep ACPI|grep supports
>>> [    0.201665] ACPI: (supports S0 S4 S5)
>>>
>>>> You have try this 5.11.5 kernel, to be sure, it is not a kernel bug ?
>>> Kernel 5.11 is even worse because it doesn't even recognize the
>>> sound card.
>>> With 5.13rc5 at least the headphone jack and the microphone is
>>> working. But
>>> basically I think it's either this problem or the problem reported in
>>> #213159...
>> You sure it is the ALC287 ?
>> For me it make no sens the driver work for us and not for you.
>> In case of your computer recognize the sound card but the speaker
>> don't work,
>> it seem to be logic, but don't recognized, with a working kernel for
>> us, I'm
>> surprised.
>> For me after 5.11.5 it stop working. I write 5.11.5 cause of that
>> point. Do you
>> have try 5.11.5 or older ?
>>
>