v4.19.13 snapshot.
diff --git a/drivers/media/usb/pvrusb2/pvrusb2-debug.h b/drivers/media/usb/pvrusb2/pvrusb2-debug.h
new file mode 100644
index 0000000..5cd1629
--- /dev/null
+++ b/drivers/media/usb/pvrusb2/pvrusb2-debug.h
@@ -0,0 +1,55 @@
+/*
+ *
+ * Copyright (C) 2005 Mike Isely <isely@pobox.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+#ifndef __PVRUSB2_DEBUG_H
+#define __PVRUSB2_DEBUG_H
+
+extern int pvrusb2_debug;
+
+#define pvr2_trace(msk, fmt, arg...) do {if(msk & pvrusb2_debug) printk(KERN_INFO "pvrusb2: " fmt "\n", ##arg); } while (0)
+
+/* These are listed in *rough* order of decreasing usefulness and
+ increasing noise level. */
+#define PVR2_TRACE_INFO (1 << 0) /* Normal messages */
+#define PVR2_TRACE_ERROR_LEGS (1 << 1) /* error messages */
+#define PVR2_TRACE_TOLERANCE (1 << 2) /* track tolerance-affected errors */
+#define PVR2_TRACE_TRAP (1 << 3) /* Trap & report app misbehavior */
+#define PVR2_TRACE_STD (1 << 4) /* Log video standard stuff */
+#define PVR2_TRACE_INIT (1 << 5) /* misc initialization steps */
+#define PVR2_TRACE_START_STOP (1 << 6) /* Streaming start / stop */
+#define PVR2_TRACE_CTL (1 << 7) /* commit of control changes */
+#define PVR2_TRACE_STATE (1 << 8) /* Device state changes */
+#define PVR2_TRACE_STBITS (1 << 9) /* Individual bit state changes */
+#define PVR2_TRACE_EEPROM (1 << 10) /* eeprom parsing / report */
+#define PVR2_TRACE_STRUCT (1 << 11) /* internal struct creation */
+#define PVR2_TRACE_OPEN_CLOSE (1 << 12) /* application open / close */
+#define PVR2_TRACE_CTXT (1 << 13) /* Main context tracking */
+#define PVR2_TRACE_SYSFS (1 << 14) /* Sysfs driven I/O */
+#define PVR2_TRACE_FIRMWARE (1 << 15) /* firmware upload actions */
+#define PVR2_TRACE_CHIPS (1 << 16) /* chip broadcast operation */
+#define PVR2_TRACE_I2C (1 << 17) /* I2C related stuff */
+#define PVR2_TRACE_I2C_CMD (1 << 18) /* Software commands to I2C modules */
+#define PVR2_TRACE_I2C_CORE (1 << 19) /* I2C core debugging */
+#define PVR2_TRACE_I2C_TRAF (1 << 20) /* I2C traffic through the adapter */
+#define PVR2_TRACE_V4LIOCTL (1 << 21) /* v4l ioctl details */
+#define PVR2_TRACE_ENCODER (1 << 22) /* mpeg2 encoder operation */
+#define PVR2_TRACE_BUF_POOL (1 << 23) /* Track buffer pool management */
+#define PVR2_TRACE_BUF_FLOW (1 << 24) /* Track buffer flow in system */
+#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 */