IPR_MUTE           52 sound/pci/emu10k1/irq.c 		if (status & (IPR_VOLINCR|IPR_VOLDECR|IPR_MUTE)) {
IPR_MUTE           57 sound/pci/emu10k1/irq.c 			status &= ~(IPR_VOLINCR|IPR_VOLDECR|IPR_MUTE);