V4L/DVB (7779): pvrusb2-dvb: quiet down noise in kernel log for feed debug

Get rid of the noise in dmesg during dvb feed changes,
unless the appropriate debug trace flag is enabled.

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Reviewed-by: Mike Isely <isely@pobox.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/video/pvrusb2/pvrusb2-debug.h b/drivers/media/video/pvrusb2/pvrusb2-debug.h
index 11537dd..707d2d9 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-debug.h
+++ b/drivers/media/video/pvrusb2/pvrusb2-debug.h
@@ -54,6 +54,7 @@
 #define PVR2_TRACE_DATA_FLOW  (1 << 25) /* Track data flow */
 #define PVR2_TRACE_DEBUGIFC   (1 << 26) /* Debug interface actions */
 #define PVR2_TRACE_GPIO       (1 << 27) /* GPIO state bit changes */
+#define PVR2_TRACE_DVB_FEED   (1 << 28) /* DVB transport feed debug */
 
 
 #endif /* __PVRUSB2_HDW_INTERNAL_H */