FXBUS_PCM_CENTER 1223 sound/pci/emu10k1/emufx.c 	A_OP(icode, &ptr, iMAC0, A_GPR(playback+4), A_C_00000000, A_GPR(gpr), A_FXBUS(FXBUS_PCM_CENTER));
FXBUS_PCM_CENTER 1838 sound/pci/emu10k1/emufx.c 	OP(icode, &ptr, iMACINT0, GPR(6), C_00000000, FXBUS(FXBUS_PCM_CENTER), C_00000004);