SV_IREG_MPU401   1352 sound/pci/sonicvibes.c 	snd_sonicvibes_out(sonic, SV_IREG_MPU401, sonic->mpu_switch = 0x05);	/* MPU-401 switch */
SV_IREG_MPU401   1397 sound/pci/sonicvibes.c SONICVIBES_SINGLE("SonicVibes Onboard Synth", 0, SV_IREG_MPU401, 0, 1, 0),
SV_IREG_MPU401   1398 sound/pci/sonicvibes.c SONICVIBES_SINGLE("SonicVibes External Rx to Synth", 0, SV_IREG_MPU401, 1, 1, 0),
SV_IREG_MPU401   1399 sound/pci/sonicvibes.c SONICVIBES_SINGLE("SonicVibes External Tx", 0, SV_IREG_MPU401, 2, 1, 0)