ESM_APU_PCM_PLAY 1544 sound/pci/es1968.c apu1 = snd_es1968_alloc_apu_pair(chip, ESM_APU_PCM_PLAY); ESM_APU_PCM_PLAY 1706 sound/pci/es1968.c if ((apu = snd_es1968_alloc_apu_pair(chip, ESM_APU_PCM_PLAY)) < 0) {