Hi Sameer > >>> port { > >>> cpu_endpoint0: endpoint@0 { remote-endpoint = <&codec1_endpoint>; }; > >>> cpu_endpoint1: endpoint@1 { remote-endpoint = <&codec2_endpoint>; }; > > You expect this endpoint to be exposed by driver right? Or are you > suggesting nothing needs to be done in the driver for this endpoint? If you use Card2, and if it is normal Codec (= not HDMI sound) basically you need is only DT settings, no driver patch is needed. > > Sample is for 2:3 connection, but it should be OK for 1:2. > > For 1:N connection, how many DAI links audio-graph-card2 driver creates? DAI link max is based on ASoC. I think you want to know is connection N max. It is basically no limit on Card2 Thank you for your help !! Best regards --- Renesas Electronics Ph.D. Kuninori Morimoto