[alsa-devel] [PATCH 7/8] ALSA: pcm: Add card sync_irq field

[Ranjani Sridharan]

> > 
> > Hi Takashi,
> > 
> > I just realized that In the SOF driver, we only set the component
> > driver ops. The pcm ops are set when creating the new pcm. So,
> > should I
> > also add the sync_stop op in the component driver and set the pcm
> > sync_stop op to point to the component sync_stop op? Just wanted to
> > confirm if I am on the right track.
> 
> Yes, I didn't touch this yet, but that's the way to go I suppose.
> One caveat is that this ops is optional and needs NULL as default,
> hence you'd need to set only when defined, like copy_user, page or
> mmap ops, at least.
Hi Takashi,

This is what I tried in the SOF driver:
https://github.com/thesofproject/linux/pull/1513/commits

And it seems to cause the system to hang when I stop the stream and I
have no meaningful logs to pinpoint to the problem. Could you please
have a look at the 4 commits that I have added to your series and let
me know what I could be missing? 

Thanks,
Ranjani
> 
> 
> thanks,
> 
> Takashi
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