Comment 323 for bug 1958019

You're welcome. I understand the frustration!

Can you or anyone else with a Legion 7 16ACHg6 check if your CPU has
IOMMU support? I'm not able to find an answer to this one way or
another. If so, likely the same trick can be used to find the codec
initialization verb sequence.

On 6/25/21 5:06 PM, <email address hidden> wrote:
> https://bugzilla.kernel.org/show_bug.cgi?id=208555
>
> --- Comment #307 from Pablitar (<email address hidden>) ---
> And thank you so much for what you are doing Cameron!
>
> (In reply to Cameron Berkenpas from comment #305)
>> You're not the first person to report that these fixes don't work for
>> the 2021 Legion.
>>
>> Can you post your alsa-info?
>>
>> I'd like to order one as soon as they become available here in the USA,
>> but I'm unsure what the availability will be. If I managed to snag one,
>> I'll work on getting sound working there too.
>>
>> On 6/25/21 4:52 PM, <email address hidden> wrote:
>>> https://bugzilla.kernel.org/show_bug.cgi?id=208555
>>>
>>> Pablitar (<email address hidden>) changed:
>>>
>>> What |Removed |Added
>>>
>> ----------------------------------------------------------------------------
>>> CC| |<email address hidden>
>>>
>>> --- Comment #304 from Pablitar (<email address hidden>) ---
>>> Hey!
>>>
>>> I've tested some of these fixes on my Lenovo 16ACHg6 and had no luck.
>>>
>>> What I've tested:
>>> - Using the applyverbs.py with verbs-working.txt
>>> - Applying the legion-alc287-0.0.4.patch as per instructions
>>> - Applying the legion-alc287-0.0.5.patch as per instructions
>>>
>>> Something that may be important is that this new model is running an AMD
>>> processor and the sound controller appears as:
>>>
>>> 'Audio device: Advanced Micro Devices, Inc. [AMD] Family 17h (Models
>> 10h-1fh)
>>> HD Audio Controller'
>>>
>>> On Alsa Mixer, it says the "Chip" is ALC287 but the "Card" is HD-Audio
>>> Generic.
>>>
>>> Is that important? I'm bringing this up because the instructions say:
>>>
>>> # Patch file to enable output on speakers.
>>> options snd-hda-intel patch=legion-alc287-0.0.4.patch
>>>
>>> And the intel part there may be something to change?
>>>
>>> But honestly I'm clueless so this may be waaay off.
>>>
>>> Thanks in advance!
>>>