Re: Anyone know how to get sound on a 12th Gen Alder Lake based laptop?

On 2024-04-22 08:44, Christos Margiolis wrote:
> Hello Chris,
> 
> Chris wrote:
>> On 2024-04-15 07:56, Christos Margiolis wrote:
>> > Hello Chris,
>> >
>> > Chris wrote:
>> > > I've read everything I can find on the subject. But have not been
>> > > unable to produce sound on my Lenovo Ideapad 2. It's a 12th Gen
>> > > Alder platform. Following are all the details. If anyone has had
>> > > success, or knows how to get sound. Please share your info.
>> >
>> > Could you please set dev.hdac.0.pindump=1 and attach the output shown in
>> > dmesg(8)?
>> Thank you very much for taking the time to help, Christos!
>> I haven't needed to tweak sound since 8.4. Everything is completely
>> different now. But the output from dmesg(8) appears to say everything
>> is disabled. :(
>> 
>> [...]
>> 
>> I've placed a copy here in case your MUA mangles the output in this 
>> message:
>> https://bitpit.us/ALC257-tmp
> 
> Can you add the following lines to /boot/device.hints, reboot and test
> whether your headphones and speakers work?
> 
> hint.hdac.0.cad0.nid20.config="as=1 seq=0"
> hint.hdac.0.cad0.nid33.config="as=1 seq=15"
Thank you very much, Christos! After adding those lines and adding ALSA. 
Sound
works as expected. :)
Sorry to have bothered you with this. I haven't needed to touch sound 
settings
since ~8.4, because it "just worked". Is there anywhere that might explain 
the
correlation between the labels and numbers that "mere mortals" can 
comprehend?

Thanks again!
> 
> Christos

--Chris