From 106f81eaf95a3ce44b12461f7a5ae8f07a9336c4 Mon Sep 17 00:00:00 2001
From: Brodie Blackburn <brodie.blackburn@gmail.com>
Date: Sat, 6 Oct 2012 10:22:45 +1000
Subject: [PATCH] Check Bluetooth power state

Taken from http://cocoadev.com/wiki/FindingBluetoothAvailability
---
 src/io_mac.m | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
 mode change 100755 => 100644 src/io_mac.m

diff --git a/src/io_mac.m b/src/io_mac.m
old mode 100755
new mode 100644
index 80ab33d..2cec19b
--- a/src/io_mac.m
+++ b/src/io_mac.m
@@ -45,13 +45,17 @@
 	foundWiimotes = 0;
 	isDiscovering = NO;
 	if (self != nil) { 
+		BluetoothHCIPowerState powerState;
+   		IOBluetoothLocalDeviceGetPowerState(&powerState);
 		/* 
 		 * Calling IOBluetoothLocalDeviceAvailable has two advantages:
 		 * 1. it sets up a event source in the run loop (bug for C version of the bluetooth api)
 		 * 2. it checks for the availability of the BT hardware
 		 */
-		if (![IOBluetoothHostController defaultController])
+		if (![IOBluetoothHostController defaultController] ||
+			powerState == kBluetoothHCIPowerStateOFF)
 		{
+			WIIUSE_DEBUG("Bluetooth hardware not available.");
 			[self release];
 			self = nil;
 		}