+--- a/ath/if_ath_hal_wrappers.h
++++ b/ath/if_ath_hal_wrappers.h
+@@ -111,6 +111,11 @@ static inline HAL_BOOL ath_hal_getregdom
+ return (ath_hal_getcapability(ah, HAL_CAP_REG_DMN, 0, destination) == HAL_OK);
+ }
+
++static inline HAL_BOOL ath_hal_setregdomain(struct ath_hal *ah, u_int32_t v)
++{
++ return (ath_hal_setcapability(ah, HAL_CAP_REG_DMN, 0, v, NULL));
++}
++
+ static inline HAL_BOOL ath_hal_gettkipmic(struct ath_hal *ah)
+ {
+ return (ath_hal_getcapability(ah, HAL_CAP_TKIP_MIC, 1, NULL) == HAL_OK);