On Wed, Jun 07, 2023 at 10:10:24AM -0500, Pierre-Louis Bossart wrote: > On 6/7/23 04:29, Richard Fitzgerald wrote: > > On 07/06/2023 04:12, Bard Liao wrote: > > You are declaring that all the CPU and CODEC in the dailink behave as a > > single logical link. So you can just connect all CPUs to all CODECS. > > That also fixes a problem with the existing N CPU to N CODEC mapping. It > > assumes that means CPU0 is connected to CODEC0, CPU1 is connected to > > CODEC1, ... But that isn't necessarily true. You could have an N:N > > mapping where multiple CPUs have been combined to create a multi-channel > > stream that is sent to all CODECs. > This is questionable when the CPUs are connected to different links. > SoundWire is not a giant switch matrix, there's a clear parent-child > dependency and limited scope. > Example topology for a 2 link/4 amplifier solution. Or a system with two distinct I2S DAIs (TDM is another thing).
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