On Wed, Mar 28, 2018 at 12:22:37AM +0200, Sebastian Reichel wrote: > On Tue, Mar 27, 2018 at 08:14:41PM +0800, Mark Brown wrote: > > No, this is exactly the sort of use case with multiple DAIs that the > > graph card is intended to enable over the old simple-card. > +----------+ +-------------+ > | OMAP4 | | CPCAP | > | | | | > | [McBSP2] | <-----> | [HiFi DAI] | > | | | | > | [McBSP3] | <--+--> | [Voice DAI] | > | | | | | > +----------+ | +-------------+ > | > +----------+ | +-------------+ > | MDM6600 | | | WL1285 | > | | | | | > | [DAI] | <--+--> | [DAI] | > | | | | > +----------+ +-------------+ > Legend: > OMAP4 = SoC running Linux > CPCAP = Audio codec > MDM6600 = Baseband > WL1285 = Bluetooth > Re-reading the audio-graph-card binding document I still don't see > how the network (OMAP.McBSP3, CPCAP.Voice, MDM6600, WL1285) is > supposed to look like. It seems to expect point-to-point DAI > connections. Ugh, a TDM mux? That's really unusual and not particularly supported yet, you'd need to extend the graph card to do it. It's where things should end up for a generic card though.
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