snd_soc_rtd_add_component
snd_soc_rtd_add_component(rtd, snd_soc_rtd_to_cpu(rtd, i)->component);
snd_soc_rtd_add_component(rtd, snd_soc_rtd_to_codec(rtd, i)->component);
snd_soc_rtd_add_component(rtd, component);