typedef enum {	/* NOTE: These *must* match MEIXmpGain{}!!! */
    MEIFilterGainIndexINVALID,

    MEIFilterGainIndexSTOPPING2,  /* MEIXmpGainSTOPPED2 */
    MEIFilterGainIndexSTOPPING1,  /* MEIXmpGainSTOPPED1 */
    MEIFilterGainIndexSETTLING,	  /* MEIXmpGainSETTLING */
    MEIFilterGainIndexMOVING,	  /* MEIXmpGainMOVING */
    MEIFilterGainIndexLAST,	  /* MEIXmpGainLAST */
    MEIFilterGainIndexALL,
    MEIFilterGainIndexDEFAULT	= MEIFilterGainIndexSTOPPING2,
} MEIFilterGainIndex;