Index: wl12xx-ol_R5.SP7.01/drivers/net/wireless/wl12xx/sdio.c
===================================================================
--- wl12xx-ol_R5.SP7.01.orig/drivers/net/wireless/wl12xx/sdio.c	2013-12-14 23:41:55.000000000 -0600
+++ wl12xx-ol_R5.SP7.01/drivers/net/wireless/wl12xx/sdio.c	2014-02-04 13:26:44.612614307 -0600
@@ -48,6 +48,7 @@
 struct wl12xx_sdio_glue {
 	struct device *dev;
 	struct platform_device *core;
+	void (*set_power)(bool enable); // PVK
 };
 
 static const struct sdio_device_id wl1271_devices[] __devinitconst = {
@@ -135,6 +136,10 @@
 	struct sdio_func *func = dev_to_sdio_func(glue->dev);
 	struct mmc_card *card = func->card;
 
+	// MTS: enable chip on power on
+	if (glue->set_power)
+		glue->set_power(1);
+
 	ret = pm_runtime_get_sync(&card->dev);
 	if (ret) {
 		/*
@@ -163,6 +168,10 @@
 	struct sdio_func *func = dev_to_sdio_func(glue->dev);
 	struct mmc_card *card = func->card;
 
+	// MTS: disable chip on power off
+	if (glue->set_power)
+		glue->set_power(0);
+
 	sdio_claim_host(func);
 	sdio_disable_func(func);
 	sdio_release_host(func);
@@ -277,6 +286,11 @@
 		dev_err(glue->dev, "can't add platform device\n");
 		goto out_dev_put;
 	}
+
+	// MTS: add set_power to control enable pin
+	if (wlan_data->set_power)
+		glue->set_power = wlan_data->set_power;
+
 	return 0;
 
 out_dev_put:
@@ -383,4 +397,4 @@
 MODULE_FIRMWARE(WL128X_FW_NAME_SINGLE);
 MODULE_FIRMWARE(WL128X_FW_NAME_MULTI);
 MODULE_FIRMWARE(WL127X_PLT_FW_NAME);
-MODULE_FIRMWARE(WL128X_PLT_FW_NAME);
\ No newline at end of file
+MODULE_FIRMWARE(WL128X_PLT_FW_NAME);