TBL_IF 802 dev/pci/bktr/bktr_tuner.c N = frequency + TBL_IF; TBL_IF 828 dev/pci/bktr/bktr_tuner.c N = frequency + TBL_IF; TBL_IF 836 dev/pci/bktr/bktr_tuner.c frequency = N - TBL_IF;