Re: [PATCH] ALSA: hda: Use standard waitqueue for RIRB wakeup

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On Thu, 12 Dec 2019 18:23:08 +0100,
Takashi Iwai wrote:
> 
> On Thu, 12 Dec 2019 18:17:14 +0100,
> Kai Vehmanen wrote:
> > 
> > Hey,
> > 
> > On Tue, 10 Dec 2019, Takashi Iwai wrote:
> > 
> > > This patch attempts to improve the situation by introducing the
> > > standard waitqueue in the RIRB waiter side instead of polling.  The
> > 
> > this seems like a good change. It's a bit unfortunate this logic is not 
> > yet shared and SOF uses the variant in snd_hdac_bus_get_response() -- that 
> > would need similar treatment. I can make a matching change there and see 
> > how this fairs in SOF CI. But basic tests with snd-hda-intel on a few 
> > systems didn't reveal anything odd and code seems correct.
> 
> Yes, please, the adaption to SOF is really appreciated.
> This is a 5.6 material and I applied only the changes I could actually
> test as a start.

And now I realized that adapting this for the common code is trivial,
and it's a good chance to unify the code there.  I'll submit a test
patch set soon later.  Stay tuned.


Takashi
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