On 10/17/23 18:03, Kuninori Morimoto wrote: > > Hi Pierre-Louis > > Thank you for your test. > >>> /* >>> * construct cpu channel mask by combining ch_mask of each >>> * codec which maps to the cpu. >>> + * see >>> + * soc.h :: [dai_link->ch_maps Image sample] >>> */ >>> - for_each_rtd_codec_dais(rtd, j, codec_dai) { >>> - if (rtd->dai_link->codec_ch_maps[j].connected_cpu_id == i) >>> - ch_mask |= rtd->dai_link->codec_ch_maps[j].ch_mask; >>> + if (rtd->dai_link->num_cpus >= rtd->dai_link->num_codecs) { >>> + /* .ch_map is from CPU */ >>> + ch_mask = rtd->dai_link->ch_maps[i].ch_mask; >> >> ... and for a FE dailink there's no ch_maps so this results in a kernel >> oops. > > Hmm... this is strange... > > New snd_soc_compensate_connection_map() will add default ch_maps for all > dai_link... > > Oh, is it using topology or something which doesn't call > snd_soc_bind_card() ? If so could you please try to call > snd_soc_compensate_connection_map() ? > (I guess it is using soc_tplg_fe_link_create() ?) > > If it could solve your issue, v5 will handle it. Sorry, not following what the suggestion is. 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...