skylake_refcap_startup 383 sound/soc/intel/boards/skl_nau88l25_max98357a.c static int skylake_refcap_startup(struct snd_pcm_substream *substream) skylake_refcap_startup 421 sound/soc/intel/boards/skl_nau88l25_ssm4567.c static int skylake_refcap_startup(struct snd_pcm_substream *substream)