Re: [PATCH 0/4] ASoC: add graph base connection on simple-card

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On Thu, Apr 14, 2016 at 05:45:41AM +0000, Kuninori Morimoto wrote:
> Hi Mark
> 
> Current simple-card is using "sound-dai" base connection on DT,
> but V4L2 is using graph base connection.
> For example HDMI case, we would like to use both connection.
> To above confusable connection method, and to reuse current resource,
> this patch adds new function, and detect both "sound-dai" and "remote-endpoint"
> on simple-card. like this
> 
> 	sound {
> 		compatible = "simple-audio-card";
> 		...
> 		sndcpu: simple-audio-card,cpu {
> 			sound-dai = <&xxx>;
> 		};
> 		sndcodec: simple-audio-card,codec {
> =>			remote-endpoint = <&out_hdmi>;

This is not valid usage of the graph binding. You are only using half of 
it.

> 		};
> 	};
> 
> 	xxx {
> 		...
> 		ports {
> 			...
> 			port@0 {
> 				reg = <0>;
> 				out_rgb: endpoint {
> 				};
> 			};
> 			port@1 {
> 				reg = <1>;
> =>				out_hdmi: endpoint {
> 				};
> 			};
> 			...
> 		};
> 	};
> 
> Kuninori Morimoto (4):
>       of_graph: add of_graph_get_endpoint_count()
>       ASoC: add of_parse_snd_connection_with_args() for sound-dai/graph connection
>       ASoC: snd_soc_of_get_dai_name() uses of_parse_snd_soc_connection_with_args()
>       ASoC: simple-card: probe both sound-dai and remote-endpoint
> 
>  Documentation/devicetree/bindings/sound/simple-card.txt | 19 +++++++++++++++++++
>  include/linux/of_graph.h                                | 11 +++++++++++
>  include/sound/soc.h                                     |  2 ++
>  sound/soc/generic/simple-card.c                         |  9 ++++++---
>  sound/soc/soc-core.c                                    | 45 +++++++++++++++++++++++++++++++++++++++++++--
>  5 files changed, 81 insertions(+), 5 deletions(-)
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