snd_p16v_pcm 1809 include/sound/emu10k1.h int snd_p16v_pcm(struct snd_emu10k1 * emu, int device, struct snd_pcm ** rpcm); snd_p16v_pcm 152 sound/pci/emu10k1/emu10k1.c if ((err = snd_p16v_pcm(emu, 4, NULL)) < 0)