Hi Geert > FE = Front End? (snip) > Back End? (I guess not Big Endian ;-) Yes > > + /* > > + * (X) ak4613 > > Perhaps add an arrow, and a target, like in the other patches? > (everywhere) It is difficult to explain via text, but on normal connection case, SoC <-> Codec are connected, thus the comment like "CPU0 <-> ak4613" is correct. But On MIX+Split case, it is using DPCM which connects "FE" and "BE" at runtime. So there are no connection between (FE)SoC <-> (BE)Codec at this time. So the above comment (= no arrow) is correct. Thank you for your help !! Best regards --- Kuninori Morimoto