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ASoC: audio-graph-card2: use better image for Multi connection

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1st port on Multi ports is for paired CPU/Codec, and the 2nd or later
port are for Multi Elements. This patch indicates its image to easy to
understand.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87sf5a4f1i.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Kuninori Morimoto 2023-11-13 01:28:58 +00:00 committed by Mark Brown
parent 45cc50d134
commit 912eb41563
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GPG Key ID: 24D68B725D5487D0
1 changed files with 26 additions and 26 deletions
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52
sound/soc/generic/audio-graph-card2.c
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@ -83,32 +83,32 @@
Multi-CPU/Codec
************************************
It has connection part (= X) and list part (= y).
links indicates connection part of CPU side (= A).
It has link connection part (= X,x) and list part (= A,B,a,b).
"links" is connection part of CPU side (= @).
+-+ (A) +-+
CPU1 --(y) | | <-(X)--(X)-> | | (y)-- Codec1
CPU2 --(y) | | | | (y)-- Codec2
+-+ +-+
+----+ +---+
CPU1 --|A X| <-@----> |x a|-- Codec1
CPU2 --|B | | b|-- Codec2
+----+ +---+
sound {
compatible = "audio-graph-card2";
sound {
compatible = "audio-graph-card2";
(A) links = <&mcpu>;
(@) links = <&mcpu>;
multi {
ports@0 {
(X) (A) mcpu: port@0 { mcpu0_ep: endpoint { remote-endpoint = <&mcodec0_ep>; }; };
(y) port@1 { mcpu1_ep: endpoint { remote-endpoint = <&cpu1_ep>; }; };
(y) port@2 { mcpu2_ep: endpoint { remote-endpoint = <&cpu2_ep>; }; };
};
ports@1 {
(X) port@0 { mcodec0_ep: endpoint { remote-endpoint = <&mcpu0_ep>; }; };
(y) port@1 { mcodec1_ep: endpoint { remote-endpoint = <&codec1_ep>; }; };
(y) port@2 { mcodec2_ep: endpoint { remote-endpoint = <&codec2_ep>; }; };
};
multi {
ports@0 {
(@) mcpu: port@0 { mcpu0_ep: endpoint { remote-endpoint = <&mcodec0_ep>; }; }; // (X) to pair
port@1 { mcpu1_ep: endpoint { remote-endpoint = <&cpu1_ep>; }; }; // (A) Multi Element
port@2 { mcpu2_ep: endpoint { remote-endpoint = <&cpu2_ep>; }; }; // (B) Multi Element
};
ports@1 {
port@0 { mcodec0_ep: endpoint { remote-endpoint = <&mcpu0_ep>; }; }; // (x) to pair
port@1 { mcodec1_ep: endpoint { remote-endpoint = <&codec1_ep>; }; }; // (a) Multi Element
port@2 { mcodec2_ep: endpoint { remote-endpoint = <&codec2_ep>; }; }; // (b) Multi Element
};
};
};
CPU {
ports {
@ -328,9 +328,9 @@ static struct device_node *graph_get_next_multi_ep(struct device_node **port)
/*
* multi {
* ports {
* => lnk: port@0 { ... };
* port@1 { ep { ... = rep0 } };
* port@2 { ep { ... = rep1 } };
* => lnk: port@0 { ... }; // to pair
* port@1 { ep { ... = rep0 } }; // Multi Element
* port@2 { ep { ... = rep1 } }; // Multi Element
* ...
* };
* };
@ -920,9 +920,9 @@ static int graph_counter(struct device_node *lnk)
*
* multi {
* ports {
* => lnk: port@0 { ... };
* port@1 { ... };
* port@2 { ... };
* => lnk: port@0 { ... }; // to pair
* port@1 { ... }; // Multi Element
* port@2 { ... }; // Multi Element
* ...
* };
* };