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no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.8 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: This patch adds channel-map-index property to enable handling CPU:Codec = N:M connection. Signed-off-by: Kuninori Morimoto --- .../devicetree/bindings/sound/audio-graph-port.yaml | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/Documentation/devicetree/bindings/sound/audio-graph-port.yaml b/Documentation/devicetree/bindings/sound/audio-graph-port.yaml index 60b5e3fd1115..2a7e0784d591 100644 --- a/Documentation/devicetree/bindings/sound/audio-graph-port.yaml +++ b/Documentation/devicetree/bindings/sound/audio-graph-port.yaml @@ -93,6 +93,19 @@ definitions: minimum: 1 maximum: 64 + channel-map-index: + description: It indicates CPU/Codec DAIs channel mapping index if number of + CPU(N) / Codec(M) were not same in one dai-link. channel-map-index is not + needed if the numbers were 1:M or N:1 or N==M. Same indexed CPU <-> Codec + will be paired. This is CPUx2 <-> Codecx3 sample. + CPUA { ... .channel-map-index = <0>; } + [0] CPUA <---> CodecA CPUB { ... .channel-map-index = <1 2>; } + [1] CPUB <-+-> CodecB + [2] \-> CodecC CodecA { ... .channel-map-index = <0>; } + CodecB { ... .channel-map-index = <1>; } + CodecC { ... .channel-map-index = <2>; } + $ref: /schemas/types.yaml#/definitions/uint32-array + ports: $ref: "#/definitions/port-base" unevaluatedProperties: false