V4L/DVB (11777): Siano: smsusb - handle byte ordering and big endianity

This patch adds support for byte ordering and big endianity
handling for the USB interface driver

Signed-off-by: Uri Shkolnik <uris@siano-ms.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/dvb/siano/smsusb.c b/drivers/media/dvb/siano/smsusb.c
index ad80366..1bcd0ef 100644
--- a/drivers/media/dvb/siano/smsusb.c
+++ b/drivers/media/dvb/siano/smsusb.c
@@ -26,6 +26,7 @@
 
 #include "smscoreapi.h"
 #include "sms-cards.h"
+#include "smsendian.h"
 
 static int sms_dbg;
 module_param_named(debug, sms_dbg, int, 0644);
@@ -177,6 +178,7 @@
 	struct smsusb_device_t *dev = (struct smsusb_device_t *) context;
 	int dummy;
 
+	smsendian_handle_message_header((struct SmsMsgHdr_ST *)buffer);
 	return usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, 2),
 			    buffer, size, &dummy, 1000);
 }
@@ -334,8 +336,8 @@
 	case SMS_VEGA:
 		dev->buffer_size = USB2_BUFFER_SIZE;
 		dev->response_alignment =
-			dev->udev->ep_in[1]->desc.wMaxPacketSize -
-			sizeof(struct SmsMsgHdr_ST);
+		    le16_to_cpu(dev->udev->ep_in[1]->desc.wMaxPacketSize) -
+		    sizeof(struct SmsMsgHdr_ST);
 
 		params.flags |= SMS_DEVICE_FAMILY2;
 		break;