DIF_BPF_COEFF2021 2731 drivers/media/i2c/cx25840/cx25840-core.c #define DIF_BPF_COEFF2021	(0x370)
DIF_BPF_COEFF2021  388 drivers/media/usb/cx231xx/cx231xx-conf-reg.h #define      DIF_BPF_COEFF2021        (DIRECT_IF_REVB_BASE + 0x00000070)