SP_DIGITAL_MIX    596 dev/isa/ad1848.c   { SP_DIGITAL_MIX, 0, OUTPUT_ATTEN_BITS, MIX_ATTEN_MASK }
SP_DIGITAL_MIX    829 dev/sbus/cs4231.c 			cs4231_write(sc, SP_DIGITAL_MIX,
SP_DIGITAL_MIX   1019 dev/sbus/cs4231.c 		    cs4231_read(sc, SP_DIGITAL_MIX) >> 2;