soc_pcm_open 1580 sound/soc/soc-pcm.c err = soc_pcm_open(be_substream); soc_pcm_open 1911 sound/soc/soc-pcm.c ret = soc_pcm_open(fe_substream); soc_pcm_open 2979 sound/soc/soc-pcm.c rtd->ops.open = soc_pcm_open;