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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 ch-maps property to enable handling CPU:Codec = N:M connection. Signed-off-by: Kuninori Morimoto --- .../devicetree/bindings/sound/audio-graph-port.yaml | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/sound/audio-graph-port.yaml b/Documentation/devicetree/bindings/sound/audio-graph-port.yaml index 60b5e3fd1115..1f7005356efb 100644 --- a/Documentation/devicetree/bindings/sound/audio-graph-port.yaml +++ b/Documentation/devicetree/bindings/sound/audio-graph-port.yaml @@ -19,7 +19,13 @@ definitions: properties: mclk-fs: $ref: simple-card.yaml#/definitions/mclk-fs - + ch-maps: + description: It indicates how CPU / Codec DAIs are related if number of CPU(N) / Codec(M) + DAIs were not same in one dai-link. ch-maps is not needed if the numbers were 1:M or N:1 + or N=M. If N <= M case, ch-maps indicates connection from CPU, if N > M case,ch-maps + indicates connection from Codec. + ${LINUX}/sound/soc/generic/audio-graph-card2-custom-sample.dtsi is good sample. + $ref: /schemas/types.yaml#/definitions/uint32-array endpoint-base: allOf: - $ref: /schemas/graph.yaml#/$defs/endpoint-base