On Mon, Oct 23, 2023 at 05:36:09AM +0000, Kuninori Morimoto wrote:
> This patch adds ch-maps property to enable handling CPU:Codec = N:M
> connection.
>
> Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
> ---
> .../devicetree/bindings/sound/audio-graph-port.yaml | 7 ++++++-
> 1 file changed, 6 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..47f04cdd6670 100644
> --- a/Documentation/devicetree/bindings/sound/audio-graph-port.yaml
> +++ b/Documentation/devicetree/bindings/sound/audio-graph-port.yaml
> @@ -19,7 +19,12 @@ definitions:
> properties:
> mclk-fs:
> $ref: simple-card.yaml#/definitions/mclk-fs
> -
> + ch-map-idx:
> + description: It indicates index of ch_maps array for CPU / Codec if number of
> + CPU(N) / Codec(M) DAIs were not same in one dai-link. ch-map-idx is not needed if the
> + numbers were 1:M or N:1 or N=M. see soc.h::[dai_link->ch_maps Image sample] and
> + ${LINUX}/sound/soc/generic/audio-graph-card2-custom-sample.dtsi. It is good sample.
Why do we have a dtsi file hidden away here?
We have examples and actual users. Do we really need a 3rd way?
Rob
