SIO_OFDM_SH_OFDM_RING_ENABLE__A
status = write16(state, SIO_OFDM_SH_OFDM_RING_ENABLE__A, desired_ctrl);
status = write16(state, SIO_OFDM_SH_OFDM_RING_ENABLE__A,
status = write16(state, SIO_OFDM_SH_OFDM_RING_ENABLE__A,