BA0_JSIO         1289 sound/pci/cs4281.c 	snd_cs4281_pokeBA0(chip, BA0_JSIO, 0xFF); // ?
BA0_JSIO         2635 sound/pci/cs46xx/cs46xx_lib.c 	snd_cs46xx_pokeBA0(chip, BA0_JSIO, 0xFF); // ?