HAL_CAP_DIVERSITY
(void) ath_hal_setcapability(sc->sc_ah, HAL_CAP_DIVERSITY, 2, 0, NULL);
case HAL_CAP_DIVERSITY: /* hardware supports fast diversity */
case HAL_CAP_DIVERSITY: /* hardware supports fast diversity */
case HAL_CAP_DIVERSITY:
case HAL_CAP_DIVERSITY: /* disable classic fast diversity */
(ath_hal_getcapability(_ah, HAL_CAP_DIVERSITY, 0, NULL) == HAL_OK)
(ath_hal_getcapability(_ah, HAL_CAP_DIVERSITY, 1, NULL) == HAL_OK)
ath_hal_setcapability(_ah, HAL_CAP_DIVERSITY, 1, _v, NULL)