From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Subhransu S. Prusty" <subhransu.s.prusty@intel.com>
Subject: Re: [RFC 02/11] ASoC: Add dai_ops to set the stream
	tag.
Date: Fri, 8 Jul 2016 10:57:56 +0530
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To: Mark Brown <broonie@kernel.org>
Cc: alsa-devel@alsa-project.org, tiwai@suse.de, Hardik T Shah <hardik.t.shah@intel.com>, lgirdwood@gmail.com, patches.audio@intel.com, Vinod Koul <vinod.koul@intel.com>
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On Tue, Jul 05, 2016 at 02:54:03PM +0200, Mark Brown wrote:
> On Thu, Jun 30, 2016 at 02:29:07PM +0530, Subhransu S. Prusty wrote:
> 
> > Each DMA channel can be mapped to a stream in HDA. Each stream is mapped
> > uniquely with a stream tag. The stream is programmed in both host and
> > codec. In host the DMA is programmed with this stream tag and based on this
> > DMA picks data from host buffer and puts it onto the link. Similarly the
> > codec converter is programmed with the same stream tag and codec receives
> > packet from the link associated with the stream tag.
> 
> Are these arbatrary tags?  If so why not just pick tags that look like
> normal TDM timeslots?

If I understand correctly, the tag will be programmed in the tx_mask and
all other arguments will not be used.

Regards,
Subhransu


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