| Message ID | 87ttqrwdmw.wl-kuninori.morimoto.gx@renesas.com |
|---|---|
| State | New |
| Headers | show |
| Series | ASoC: makes CPU/Codec channel connection map more generic | expand |
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 >
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
This patch adds ch-maps property to enable handling CPU:Codec = N:M connection. 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(-)