GPSCS 1963 sound/pci/emu10k1/emu10k1_main.c MICBS, ADCBS, FXBS, CDCS, GPSCS, SPCS0, SPCS1, SPCS2, GPSCS 276 sound/pci/emu10k1/emuproc.c snd_emu10k1_proc_spdif_status(emu, buffer, "Optical or Coax S/PDIF In", GPSCS, GPSRCS);