snd_aw2_pcm_capture_open 127 sound/pci/aw2/aw2-alsa.c static int snd_aw2_pcm_capture_open(struct snd_pcm_substream *substream); snd_aw2_pcm_capture_open 197 sound/pci/aw2/aw2-alsa.c .open = snd_aw2_pcm_capture_open,