MSP_FSYNC_POL_ACT_HI
prot_desc->tx_fsync_pol = MSP_FSYNC_POL(MSP_FSYNC_POL_ACT_HI);
prot_desc->rx_fsync_pol = MSP_FSYNC_POL_ACT_HI << RFSPOL_SHIFT;
MSP_FSYNC_POL_ACT_HI,
MSP_FSYNC_POL_ACT_HI,
MSP_FSYNC_POL_ACT_HI,
MSP_FSYNC_POL_ACT_HI,