Hi Mark again
> But, How about this case ?
>
> FE cpu: CPU-A
> codec: Codec-A
>
> BE cpu: CPU-B
> codec: Codec-B
I found 1 method.
I can create it if we can assume that
"simple-card doen't support above style",
> If the documentation refers to the interface as for example "I2S0" then
> the DT should refer to it as I2S0 too.
simple-card is using "format" property now,
and I remember that someone want to exchange format in DPCM.
My 1st DPCM patch used "remote" property for specify FE/BE.
And, we can get DAI stream_name if we can update snd_soc_of_get_dai_name()
This means, we can use DPCM like below
if you can accept my previous "ASoC: dapm: enable DAI name on DAPM route"
What do you think ?
sound {
compatible = "simple-audio-card";
/* FrontEnd */
simple-audio-card,dai-link@0 {
...
format = "left_j";
remote = <&endpoint>;
cpu {
sound-dai = <&rcar_sound 0>;
};
codec { /* dummy */ };
};
/* BackEnd */
endpoint: simple-audio-card,dai-link@1 {
...
format = "left_j";
cpu { /* dummy */ };
codec1: codec {
sound-dai = <&ak4643>;
};
};
};
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