HAL_CAP_REG_DMN
case HAL_CAP_REG_DMN: /* regulatory domain */
case HAL_CAP_REG_DMN: /* regulatory domain */
(ath_hal_getcapability(_ah, HAL_CAP_REG_DMN, 0, (_prd)) == HAL_OK)
ath_hal_setcapability(_ah, HAL_CAP_REG_DMN, 0, _rd, NULL)