Hi Pierre-Louis, Bard > > Yes all our solutions are based on the topology, and I don't really > > understand the benefit of a ch_map for an FE? the codec_dai is a dummy > > one... > > This is my personal opinion, but the code can be simple > if all case can be handled in the same way. > > For example this case, we don't need to care about FE or if (!ch_maps) > if all dai_link has ch_maps. Complex case/pattern can be bug entry, IMO. > ASoC is already very complex system... > > And because Codec is dummy, there is no effect for FE if all case > handles same way. I will post renew [1/4] patch after this patch (not yet v5). Could you please test it ? If my understanding was correct, it should work correctly on your topology. Thank you for your help !! Best regards --- Kuninori Morimoto