INVALID_IRQ       810 sound/isa/sscape.c 	return INVALID_IRQ;
INVALID_IRQ      1170 sound/isa/sscape.c 	if (irq_cfg == INVALID_IRQ) {
INVALID_IRQ      1176 sound/isa/sscape.c 	if (mpu_irq_cfg == INVALID_IRQ) {