snd_soc_dai_hw_params
int snd_soc_dai_hw_params(struct snd_soc_dai *dai,
ret = snd_soc_dai_hw_params(source, substream, params);
ret = snd_soc_dai_hw_params(sink, substream, params);
ret = snd_soc_dai_hw_params(codec_dai, substream,
ret = snd_soc_dai_hw_params(cpu_dai, substream, &tmp_params);