Re: [PATCH v4 4/4] dt-bindings: audio-graph-port: add ch-maps property

Hey,

On Mon, Oct 16, 2023 at 01:37:59AM +0000, Kuninori Morimoto wrote:

This patch adds ch-maps property to enable handling CPU:Codec = N:M connection.

Please avoid sending new versions before the discussion on existing patches have been resolved. I replied on the v1 again just a few moments ago.

Cheers, Conor.

Signed-off-by: Kuninori Morimoto kuninori.morimoto.gx@renesas.com

.../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

-- 2.25.1