Re: [5.14 regression] "ASoC: intel: atom: Fix reference to PCM buffer address" breaks Intel SST audio

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Hi,

On 8/19/21 4:42 PM, Hans de Goede wrote:
> Hi All,
> 
> After rebasing a set of bytcr_rt5640 patches, on top of asoc/for-next
> I noticed that playing back audio would only generate random-noise / buzzing
> (I did not try recording any audio). 
> 
> After poking at this for a while I've found the culprit:
> 
> 2e6b836312a4 ("ASoC: intel: atom: Fix reference to PCM buffer address")
> 
> If I revert that single commit then audio on Intel Bay Trail and
> Cherry Trail devices works fine again with 5.14.
> 
> This is with a Fedora 34 userspace using pipewire as audiodaemon
> 
> I'm not sure what is going on here, but since the old code
> changed by the broken commit has worked fine for ages and
> given where we are in the devel-cycle I think it might be best
> to just revert 2e6b836312a4 again.

p.s. to be clear I noticed this after rebasing on top of asoc/for-next
but the troublesome commit is actually in Linus tree now and thus
will hit end users once 5.14 is released.

(the troublesome commit landed in 5.14-rc6 and my previous tests
were with 5.14-rc5)

Regards,

Hans




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