snd_emu10k1_pcm_efx 1808 include/sound/emu10k1.h int snd_emu10k1_pcm_efx(struct snd_emu10k1 * emu, int device, struct snd_pcm ** rpcm); snd_emu10k1_pcm_efx 134 sound/pci/emu10k1/emu10k1.c if ((err = snd_emu10k1_pcm_efx(emu, 2, NULL)) < 0)