Comment 270 for bug 1958019

(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 ?