SB_DSP4_IRQSETUP  827 sound/isa/sb/sb16_main.c 	snd_sbmixer_write(chip, SB_DSP4_IRQSETUP, irqreg);
SB_DSP4_IRQSETUP  828 sound/isa/sb/sb16_main.c 	realirq = snd_sbmixer_read(chip, SB_DSP4_IRQSETUP);