#define EXT_I2S_IRQ 6
#define intrAC97 	EXT_I2S_IRQ

#define AC97_MODE	0x0F

//		Register Name			Index			// Usage
//-----------------------------------------------------------------------
#define AC97_RESET					0x00			// RESET CODEC TO DEFAULT					
#define AC97_MASTER_VOLUME			0x02			// LINE OUT VOLUME
#define AC97_MIC_VOLUME				0x0E			// MICROPHONE VOLUME/ AGC
#define AC97_LINE_IN_VOLUME			0x10			// LINE IN VOLUME
#define AC97_PCM_OUT_VOL			0x18
#define AC97_RECORD_SELECT			0x1A			// SELECT LINE IN OR MICROPHONE
#define AC97_RECORD_GAIN			0x1C

