diff --git a/host/libhackrf/src/hackrf.c b/host/libhackrf/src/hackrf.c
index 2902a800..2619ac49 100644
--- a/host/libhackrf/src/hackrf.c
+++ b/host/libhackrf/src/hackrf.c
@@ -69,6 +69,11 @@ typedef enum {
 	HACKRF_VENDOR_REQUEST_SET_FREQ_EXPLICIT = 24,
 } hackrf_vendor_request;
 
+typedef enum {
+	USB_CONFIG_STANDARD = 0x1,
+	USB_CONFIG_CPLD_UPDATE  = 0x2,
+} hackrf_usb_configurations;
+
 typedef enum {
 	HACKRF_TRANSCEIVER_MODE_OFF = 0,
 	HACKRF_TRANSCEIVER_MODE_RECEIVE = 1,
@@ -233,6 +238,74 @@ static int prepare_transfers(
 	}
 }
 
+static int detach_kernel_drivers(libusb_device_handle* usb_device_handle)
+{
+	int i, result;
+	libusb_device* dev;
+	struct libusb_config_descriptor* config;
+
+	dev = libusb_get_device(usb_device_handle);
+	result = libusb_get_active_config_descriptor(dev, &config);
+	if( result < 0 )
+	{
+		return HACKRF_ERROR_LIBUSB;
+	}
+
+	for(i=0; i<config->bNumInterfaces; i++)
+	{
+		result = libusb_kernel_driver_active(usb_device_handle, i);
+		if( result < 0 )
+		{
+			if( result == LIBUSB_ERROR_NOT_SUPPORTED ) {
+				return 0;
+			}
+			return HACKRF_ERROR_LIBUSB;
+		} else if( result == 1 ) {
+			result = libusb_detach_kernel_driver(usb_device_handle, i);
+			if( result != 0 )
+			{
+				return HACKRF_ERROR_LIBUSB;
+			}
+		}
+	}
+	return HACKRF_SUCCESS;
+}
+
+static int set_hackrf_configuration(libusb_device_handle* usb_device, int config)
+{
+	int result, curr_config;
+	result = libusb_get_configuration(usb_device, &curr_config);
+	if( result != 0 )
+	{
+		libusb_close(usb_device);
+		return HACKRF_ERROR_LIBUSB;
+	}
+
+	if(curr_config != config)
+	{
+		result = detach_kernel_drivers(usb_device);
+		if( result != 0 )
+		{
+			libusb_close(usb_device);
+			return result;
+		}
+		result = libusb_set_configuration(usb_device, config);
+		if( result != 0 )
+		{
+			libusb_close(usb_device);
+			return HACKRF_ERROR_LIBUSB;
+		}
+	}
+
+	result = detach_kernel_drivers(usb_device);
+	if( result != 0 )
+	{
+		libusb_close(usb_device);
+		return result;
+	}
+	return LIBUSB_SUCCESS;
+}
+
 #ifdef __cplusplus
 extern "C"
 {
@@ -410,16 +483,15 @@ static int hackrf_open_setup(libusb_device_handle* usb_device, hackrf_device** d
 
 	//int speed = libusb_get_device_speed(usb_device);
 	// TODO: Error or warning if not high speed USB?
-
-	result = libusb_set_configuration(usb_device, 1);
-	if( result != 0 )
+	
+	result = set_hackrf_configuration(usb_device, USB_CONFIG_STANDARD);
+	if( result != LIBUSB_SUCCESS )
 	{
-		libusb_close(usb_device);
-		return HACKRF_ERROR_LIBUSB;
+		return result;
 	}
 
 	result = libusb_claim_interface(usb_device, 0);
-	if( result != 0 )
+	if( result != LIBUSB_SUCCESS )
 	{
 		libusb_close(usb_device);
 		return HACKRF_ERROR_LIBUSB;
@@ -842,10 +914,13 @@ int ADDCALL hackrf_cpld_write(hackrf_device* device,
 		return HACKRF_ERROR_LIBUSB;
 	}
 
-	result = libusb_set_configuration(device->usb_device, 2);
-	if (result != LIBUSB_SUCCESS) {
-		return HACKRF_ERROR_LIBUSB;
+	result = set_hackrf_configuration(device->usb_device, USB_CONFIG_CPLD_UPDATE);
+	if( result != LIBUSB_SUCCESS )
+	{
+		return result;
 	}
+	result = libusb_set_configuration(device->usb_device, 2);
+
 
 	result = libusb_claim_interface(device->usb_device, 0);
 	if (result != LIBUSB_SUCCESS) {