snd_soc_of_get_dai_name
int snd_soc_of_get_dai_name(struct device_node *of_node,
ret = snd_soc_of_get_dai_name(np, &codec_capture_dai, 0);
ret = snd_soc_of_get_dai_name(cpu, &link->cpus->dai_name, i);
EXPORT_SYMBOL_GPL(snd_soc_of_get_dai_name);