DIF_BPF_COEFF01  2721 drivers/media/i2c/cx25840/cx25840-core.c #define DIF_BPF_COEFF01		(0x348)
DIF_BPF_COEFF01   308 drivers/media/usb/cx231xx/cx231xx-conf-reg.h #define      DIF_BPF_COEFF01          (DIRECT_IF_REVB_BASE + 0x00000048)