NI_M_PFI_FILTER_SEL 4655 drivers/staging/comedi/drivers/ni_mio_common.c 	bits |= NI_M_PFI_FILTER_SEL(chan, filter);
NI_M_PFI_FILTER_SEL  762 drivers/staging/comedi/drivers/ni_stc.h #define NI_M_PFI_FILTER_SEL_MASK(_c)	NI_M_PFI_FILTER_SEL((_c), 0x3)