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-rw-r--r--drivers/usb/gadget/f_acm.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/gadget/f_acm.c b/drivers/usb/gadget/f_acm.c
index d47a123..bd6226c 100644
--- a/drivers/usb/gadget/f_acm.c
+++ b/drivers/usb/gadget/f_acm.c
@@ -111,7 +111,7 @@ acm_iad_descriptor = {
.bInterfaceCount = 2, // control + data
.bFunctionClass = USB_CLASS_COMM,
.bFunctionSubClass = USB_CDC_SUBCLASS_ACM,
- .bFunctionProtocol = USB_CDC_PROTO_NONE,
+ .bFunctionProtocol = USB_CDC_ACM_PROTO_AT_V25TER,
/* .iFunction = DYNAMIC */
};