v4.19.13 snapshot.
diff --git a/include/sound/asound.h b/include/sound/asound.h
new file mode 100644
index 0000000..c2dff53
--- /dev/null
+++ b/include/sound/asound.h
@@ -0,0 +1,40 @@
+/*
+ * Advanced Linux Sound Architecture - ALSA - Driver
+ * Copyright (c) 1994-2003 by Jaroslav Kysela <perex@perex.cz>,
+ * Abramo Bagnara <abramo@alsa-project.org>
+ *
+ *
+ * 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, or
+ * (at your option) any later version.
+ *
+ * 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
+ *
+ */
+#ifndef __SOUND_ASOUND_H
+#define __SOUND_ASOUND_H
+
+#include <linux/ioctl.h>
+#include <linux/time.h>
+#include <asm/byteorder.h>
+
+#ifdef __LITTLE_ENDIAN
+#define SNDRV_LITTLE_ENDIAN
+#else
+#ifdef __BIG_ENDIAN
+#define SNDRV_BIG_ENDIAN
+#else
+#error "Unsupported endian..."
+#endif
+#endif
+
+#include <uapi/sound/asound.h>
+#endif /* __SOUND_ASOUND_H */