From mboxrd@z Thu Jan  1 00:00:00 1970
From: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Subject: Re: ASoC: How to mix multi input ?
Date: Fri, 22 May 2015 18:59:31 +0100
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To: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Cc: Linux-ALSA <alsa-devel@alsa-project.org>, Mark Brown <broonie@kernel.org>, Liam Girdwood <lgirdwood@gmail.com>, Simon <horms@verge.net.au>
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On Fri, 2015-05-22 at 00:01 +0000, Kuninori Morimoto wrote:
> Hi Mark
> 
> > > 	init          => working:
> > > 	start sound A => working: codec + A
> > > 	start sound B => working: codec + A/B (mixed)
> > > 	stop  sound A => working: codec + B
> > > 	start sound C => working: codec + B/C (mixed)
> > > 	stop  sound B => working: codec + C
> > > 	stop  sound C => working:
> > 
> > > I guess current DPCM doesn't support this ?
> > 
> > What you're describing is what I'd expect to happen - I'd say if that's
> > not working it's a bug and we should fix it.
> 
> Thank you. I didn't know this.
> I will check it

DPCM should work with all the above. It worked on OMAP4 ABE when I last
checked OMAP4 over 2 years ago.

Liam