v4.19.13 snapshot.
diff --git a/sound/pci/asihpi/hpidebug.c b/sound/pci/asihpi/hpidebug.c
new file mode 100644
index 0000000..9e12232
--- /dev/null
+++ b/sound/pci/asihpi/hpidebug.c
@@ -0,0 +1,78 @@
+/************************************************************************
+
+ AudioScience HPI driver
+ Copyright (C) 1997-2011 AudioScience Inc. <support@audioscience.com>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of version 2 of the GNU General Public License as
+ published by the Free Software Foundation;
+
+ 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.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+Debug macro translation.
+
+************************************************************************/
+
+#include "hpi_internal.h"
+#include "hpidebug.h"
+
+/* Debug level; 0 quiet; 1 informative, 2 debug, 3 verbose debug. */
+int hpi_debug_level = HPI_DEBUG_LEVEL_DEFAULT;
+
+void hpi_debug_init(void)
+{
+ printk(KERN_INFO "debug start\n");
+}
+
+int hpi_debug_level_set(int level)
+{
+ int old_level;
+
+ old_level = hpi_debug_level;
+ hpi_debug_level = level;
+ return old_level;
+}
+
+int hpi_debug_level_get(void)
+{
+ return hpi_debug_level;
+}
+
+void hpi_debug_message(struct hpi_message *phm, char *sz_fileline)
+{
+ if (phm) {
+ printk(KERN_DEBUG "HPI_MSG%d,%d,%d,%d,%d\n", phm->version,
+ phm->adapter_index, phm->obj_index, phm->function,
+ phm->u.c.attribute);
+ }
+
+}
+
+void hpi_debug_data(u16 *pdata, u32 len)
+{
+ u32 i;
+ int j;
+ int k;
+ int lines;
+ int cols = 8;
+
+ lines = (len + cols - 1) / cols;
+ if (lines > 8)
+ lines = 8;
+
+ for (i = 0, j = 0; j < lines; j++) {
+ printk(KERN_DEBUG "%p:", (pdata + i));
+
+ for (k = 0; k < cols && i < len; i++, k++)
+ printk(KERN_CONT "%s%04x", k == 0 ? "" : " ", pdata[i]);
+
+ printk(KERN_CONT "\n");
+ }
+}