Re: ASoC: soc-pcm: Don't zero TDM masks in __soc_pcm_open() breaks SOF Audio in Lenovo laptops

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On 12/13/22 10:57, Joakim Tjernlund wrote:
> On Fri, 2022-12-09 at 16:26 +0000, Richard Fitzgerald wrote:
>> On 9/12/22 16:18, Mark Brown wrote:
>>> On Fri, Dec 09, 2022 at 05:38:54PM +0200, Péter Ujfalusi wrote:
>>>> On 09/12/2022 16:42, Pierre-Louis Bossart wrote:
>>>
>>>>> Agree with the analysis, so what would be the least bad recommendation?
>>>>> a) revert the "don't zero TDM masks" patch
>>>>> b) backport the change to use set_stream()?
>>>
>>>> I would vote for b) unless other platforms report regressions.
>>>
>>> I don't really care either way given the backport policy.
>>
>> Neither do I.
>> If you want to minimize risk, revert the patch in older backports.
>>
>> Lessons learned:
>> Don't hijack a data member to pass something different from what it
>> is intended to hold.
>> Don't depend on a bug.
>> Don't assume all code is using a data member for what is supposed to be
>> in that member.
> 
> Did you reach a conclusion w.r.t what the should be?

I read the consensus is for a backport of the 'set_stream' stuff. You're
welcome to submit a patch.



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