aq_hw_mpi_set
return aq_hw_mpi_set(hw, MPI_INIT, speed);
aq_hw_mpi_set(hw, MPI_DEINIT, 0);
aq_hw_mpi_set(hw, MPI_POWER, 0);
aq_hw_mpi_set(hw, MPI_INIT, hw->link_rate);