Re: [PATCH v2 0/4] soundwire: qcom: stablity fixes

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On Thu, May 25, 2023 at 02:38:08PM +0100, Srinivas Kandagatla wrote:
> During x13s audio testing we hit few corner cases due to issues
> in codec drivers and some obvious code bugs.
> 
> Here are the fixes for those issues, mostly the issues are around
> devices loosing the sync in between runtime pm suspend resume path.
> 
> With codec fixes along with these fixes, audio on x13s is pretty stable.
> 
> Thanks,
> Srini
> 
> Changes since v1:
> 	- dropped runtime pm changes patch as unable to reproduced it anymore
> 	- fixed clk stop flag as suggested by Pierre
> 	- rebased on top of linux-next

I tried to update to this series on my 6.4-rc5 branch for the X13s and
the above changes appear to lead to breakages again.

Specifically, with the updated clk stop flag (simple_clk_stop_capable) I
see:

[   14.789533] wcd9380-codec sdw:0:0217:010d:00:3: Slave 1 state check1: UNATTACHED, status was 1
[   14.789717] qcom-soundwire 3330000.soundwire-controller: qcom_swrm_irq_handler: SWR bus clsh detected
[   14.796164] wcd9380-codec sdw:0:0217:010d:00:3: Slave 1 state check1: UNATTACHED, status was 1

and without the runtime pm patch that you dropped in v2 I get
intermittent (e.g. twice in five boots):

[   11.527301] snd-sc8280xp sound: ASoC: adding FE link failed
[   11.527409] snd-sc8280xp sound: ASoC: topology: could not load header: -517
[   11.527557] qcom-apm gprsvc:service:2:1: tplg component load failed-517
[   11.527640] qcom-apm gprsvc:service:2:1: ASoC: error at snd_soc_component_probe on gprsvc:service:2:1: -22
[   11.528079] snd-sc8280xp sound: ASoC: failed to instantiate card -22
[   11.533388] snd-sc8280xp: probe of sound failed with error -22

Again, this was with 6.4-rc5, but these problems are likely still there
also with linux-next.

Johan



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