snd_aw2_pcm_playback_close  109 sound/pci/aw2/aw2-alsa.c static int snd_aw2_pcm_playback_close(struct snd_pcm_substream *substream);
snd_aw2_pcm_playback_close  171 sound/pci/aw2/aw2-alsa.c 	.close = snd_aw2_pcm_playback_close,