asus-laptop: add wireless and bluetooth status parameter

These to parameter allow to set the status of wlan and bluetooth
device when the module load. On some models, the device will
always be down on boot, so the default behavior is to always
enable these devices.
Signed-off-by: Corentin Chary <corentincj@iksaif.net>

drivers/platform/x86/asus-laptop.c

@@ -113,6 +113,19 @@ static uint wapf = 1;
 module_param(wapf, uint, 0644);
 MODULE_PARM_DESC(wapf, "WAPF value");
 
+static uint wireless_status = 1;
+static uint bluetooth_status = 1;
+
+module_param(wireless_status, uint, 0644);
+MODULE_PARM_DESC(wireless_status, "Set the wireless status on boot "
+		 "(0 = disabled, 1 = enabled, -1 = don't do anything). "
+		 "default is 1");
+
+module_param(bluetooth_status, uint, 0644);
+MODULE_PARM_DESC(bluetooth_status, "Set the wireless status on boot "
+		 "(0 = disabled, 1 = enabled, -1 = don't do anything). "
+		 "default is 1");
+
 #define ASUS_HANDLE(object, paths...)					\
 	static acpi_handle  object##_handle = NULL;			\
 	static char *object##_paths[] = { paths }
@@ -1272,8 +1285,10 @@ static int asus_hotk_add(struct acpi_device *device)
 	asus_hotk_found = 1;
 
 	/* WLED and BLED are on by default */
-	write_status(bt_switch_handle, 1, BT_ON);
-	write_status(wl_switch_handle, 1, WL_ON);
+	if (bluetooth_status != -1)
+		write_status(bt_switch_handle, !!bluetooth_status, BT_ON);
+	if (wireless_status != -1)
+		write_status(wl_switch_handle, !!wireless_status, WL_ON);
 
 	/* If the h/w switch is off, we need to check the real status */
 	write_status(NULL, read_status(BT_ON), BT_ON);