CTL_INTF_ACTIVE
intf_active = DPU_REG_READ(c, CTL_INTF_ACTIVE);
DPU_REG_WRITE(c, CTL_INTF_ACTIVE, intf_active);
intf_active = DPU_REG_READ(c, CTL_INTF_ACTIVE);
DPU_REG_WRITE(c, CTL_INTF_ACTIVE, intf_active);