Index: uvc_video.c
===================================================================
--- uvc_video.c	(revision 163)
+++ uvc_video.c	(working copy)
@@ -298,11 +298,17 @@
 	 * toggled when the the buffer state is not UVC_BUF_STATE_ACTIVE.
 	 * queue->last_fid is initialized to -1, so the first isochronous
 	 * frame will always be in sync.
+	 *
+	 * If the device doesn't toggle the FID bit, invert video->last_fid
+	 * when the EOF bit is set to force synchronisation on the next packet.
 	 */
 	if (buf->state != UVC_BUF_STATE_ACTIVE) {
 		if (fid == video->last_fid) {
 			uvc_trace(UVC_TRACE_FRAME, "Dropping payload (out of "
 				"sync).\n");
+			if ((video->dev->quirks & UVC_QUIRK_STREAM_NO_FID) &&
+			    (data[1] & UVC_STREAM_EOF))
+				video->last_fid ^= UVC_STREAM_FID;
 			return -ENODATA;
 		}
 
@@ -370,6 +376,8 @@
 		if (data[0] == len)
 			uvc_trace(UVC_TRACE_FRAME, "EOF in empty payload.\n");
 		buf->state = UVC_BUF_STATE_DONE;
+		if (video->dev->quirks & UVC_QUIRK_STREAM_NO_FID)
+			video->last_fid ^= UVC_STREAM_FID;
 	}
 }
 
Index: uvc_driver.c
===================================================================
--- uvc_driver.c	(revision 165)
+++ uvc_driver.c	(working copy)
@@ -1752,6 +1752,16 @@
 	  .bInterfaceProtocol	= 0,
 	  .driver_info		= UVC_QUIRK_PROBE_MINMAX
 	},
+	/* Syntek (HP Spartan) */
+	{ .match_flags		= USB_DEVICE_ID_MATCH_DEVICE
+				| USB_DEVICE_ID_MATCH_INT_INFO,
+	  .idVendor		= 0x174f,
+	  .idProduct		= 0x5212,
+	  .bInterfaceClass	= USB_CLASS_VIDEO,
+	  .bInterfaceSubClass	= 1,
+	  .bInterfaceProtocol	= 0,
+	  .driver_info		= UVC_QUIRK_STREAM_NO_FID
+	},
 	/* Ecamm Pico iMage */
 	{ .match_flags		= USB_DEVICE_ID_MATCH_DEVICE
 				| USB_DEVICE_ID_MATCH_INT_INFO,
Index: uvcvideo.h
===================================================================
--- uvcvideo.h	(revision 162)
+++ uvcvideo.h	(working copy)
@@ -313,6 +313,7 @@
 #define UVC_QUIRK_PROBE_MINMAX		0x00000002
 #define UVC_QUIRK_PROBE_EXTRAFIELDS	0x00000004
 #define UVC_QUIRK_BUILTIN_ISIGHT	0x00000008
+#define UVC_QUIRK_STREAM_NO_FID		0x00000010
 
 /* Format flags */
 #define UVC_FMT_FLAG_COMPRESSED		0x00000001