[alsa-devel] [PATCH v2] ASoC: max98090: save and restore SHDN when changing sensitive registers

[Mark Brown]

On Fri, Dec 20, 2019 at 10:05:52AM +0100, Marek Szyprowski wrote:
> On 20.12.2019 09:28, Marek Szyprowski wrote:

> > I've tried initially to cherry-pick it to v5.4, but the the code 
> > didn't compile due to lack of some macros, so I've gave up trying. I 
> > will check that now and backport needed macros too if you think this 
> > would help.

> Same issue. I've tried backporting it to each kernel release: 5.4, 5.3, 
> 5.2, 5.1 and 5.0 (with additional backporting "ASoC: core: add 
> SND_SOC_BYTES_E" and "ASoC: Define a set of DAPM pre/post-up events"). 
> In all cases the lockdep warning and oops is the same. Backporting to 
> v4.9 requires more changes to get it even compiled, so I gave up.

OK, thanks - that's definitely not the recent refactorings then but
something that's been a problem for a long time.  I'm surprised nobody
else ran into anything if that's the case...
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