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@xxxxxxxxxxx>
> ---
> .../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
>
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