wl12xx: always initialize AP-mode max power level

Sometimes we only get the Tx power level via op->config when the FW is
off. Record the received power level when this happens and use it to
initialize the firmware during boot.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>

drivers/net/wireless/wl12xx/acx.c

@@ -90,7 +90,7 @@ int wl1271_acx_tx_power(struct wl1271 *wl, int power)
 	struct acx_current_tx_power *acx;
 	int ret;
 
-	wl1271_debug(DEBUG_ACX, "acx dot11_cur_tx_pwr");
+	wl1271_debug(DEBUG_ACX, "acx dot11_cur_tx_pwr %d", power);
 
 	if (power < 0 || power > 25)
 		return -EINVAL;

drivers/net/wireless/wl12xx/init.c

@@ -455,6 +455,11 @@ static int wl1271_ap_hw_init(struct wl1271 *wl)
 	if (ret < 0)
 		return ret;
 
+	/* initialize Tx power */
+	ret = wl1271_acx_tx_power(wl, wl->power_level);
+	if (ret < 0)
+		return ret;
+
 	return 0;
 }
 

drivers/net/wireless/wl12xx/main.c

@@ -2278,6 +2278,9 @@ static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed)
 			wl->channel = channel;
 		}
 
+		if ((changed & IEEE80211_CONF_CHANGE_POWER))
+			wl->power_level = conf->power_level;
+
 		goto out;
 	}