Re: [PATCH] ASoC: rt5682: Use a maple tree based register cache

[Pierre-Louis Bossart]

On 5/23/23 14:28, Mark Brown wrote:
> On Tue, May 23, 2023 at 02:24:53PM -0500, Pierre-Louis Bossart wrote:
> 
>> Wondering if this is the root cause of the regression we're seeing in
>> [1] on a Chromebook with rt5682 in SoundWire mode?
> 
>> I don't see any other changes to this codec driver and the first problem
>> detected seemed to happen when we did an upstream merge last week.
>> Unfortunately the last merge was on April 24 (sof-dev-rebase-20230424)
>> which is just the day before this commit was added...
> 
> Try a revert?

I can try, unfortunately that device is not directly testable with a
simple PR test so it'll take time.

I was just hoping that someone smarter than me had an explanation on the
locking issue. We only use interrupt threads and workqueues, not sure
why sleeping is an issue.