Index: compat-wireless/drivers/net/wireless/wl12xx/sdio.c
===================================================================
--- compat-wireless.orig/drivers/net/wireless/wl12xx/sdio.c
+++ compat-wireless/drivers/net/wireless/wl12xx/sdio.c
@@ -169,6 +169,10 @@ static int wl1271_sdio_power_on(struct w
 	struct sdio_func *func = wl_to_func(wl);
 	int ret;
 
+	// MTS: enable chip on power on
+	if (wl->set_power)
+		wl->set_power(1);
+
 	/* If enabled, tell runtime PM not to power off the card */
 	if (pm_runtime_enabled(&func->dev)) {
 		ret = pm_runtime_get_sync(&func->dev);
@@ -193,6 +197,10 @@ static int wl1271_sdio_power_off(struct 
 	struct sdio_func *func = wl_to_func(wl);
 	int ret;
 
+	// MTS: disable chip on power off
+	if (wl->set_power)
+		wl->set_power(0);
+
 	sdio_disable_func(func);
 	sdio_release_host(func);
 
@@ -262,6 +270,10 @@ static int __devinit wl1271_probe(struct
 		goto out_free;
 	}
 
+	// MTS: add set_power to control enable pin
+	if (wlan_data->set_power)
+		wl->set_power = wlan_data->set_power;
+
 	wl->irq = wlan_data->irq;
 	if (wl->ref_clock < 0)
 		wl->ref_clock = wlan_data->board_ref_clock;