Symbol: VAL2QDB
sys/dev/sound/pci/hda/hdaa.c
2371
*left -= VAL2QDB(ctl, lval) - VAL2QDB(ctl, QDB2VAL(ctl, zleft));
sys/dev/sound/pci/hda/hdaa.c
2372
*right -= VAL2QDB(ctl, rval) - VAL2QDB(ctl, QDB2VAL(ctl, zright));