Hi Tony, again > > mcbsp3_port: port { > > - cpu_dai3: endpoint { > > + cpu_dai3: endpoint@0 { > > dai-format = "dsp_a"; > > frame-master = <&cpcap_audio_codec1>; > > bitclock-master = <&cpcap_audio_codec1>; > > remote-endpoint = <&cpcap_audio_codec1>; > > }; > > + cpu_dai_mdm: endpoint@1 { > > + dai-format = "dsp_a"; > > + frame-master = <&cpcap_audio_codec1>; > > + bitclock-master = <&cpcap_audio_codec1>; > > + remote-endpoint = <&mot_mdm6600_audio_codec0>; > > + }; audio-graph-scu-card and my posting merged audio-graph-card are assuming multi-endpoint will be used for DPCM purpose. But, above endpoint connection seems you want to is not DPCM (?), I'm not sure. Best regards --- Kuninori Morimoto