From 08bebb40ba4c9a8c47be4c2686379e6a919aced7 Mon Sep 17 00:00:00 2001
From: guozhanxin <guozhanxin@rt-thread.com>
Date: Tue, 19 Apr 2022 23:06:30 +0800
Subject: [PATCH] [usb audio] fix building error.

---
 components/drivers/usb/usbdevice/class/uaudioreg.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/components/drivers/usb/usbdevice/class/uaudioreg.h b/components/drivers/usb/usbdevice/class/uaudioreg.h
index 6ed8614c39..eea3c2f053 100644
--- a/components/drivers/usb/usbdevice/class/uaudioreg.h
+++ b/components/drivers/usb/usbdevice/class/uaudioreg.h
@@ -31,6 +31,7 @@
  */
 
 #include <rtdef.h>
+#include <stdint.h>
 
 typedef uint8_t  uByte;
 typedef uint16_t uWord;