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-rw-r--r--drivers/usb/class/cdc-acm.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index a3d6c4db2a03..597defc1d7bf 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1615,6 +1615,10 @@ static const struct usb_device_id acm_ids[] = {
.driver_info = NOT_A_MODEM,
},
+ /* control interfaces without any protocol set */
+ { USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ACM,
+ USB_CDC_PROTO_NONE) },
+
/* control interfaces with various AT-command sets */
{ USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ACM,
USB_CDC_ACM_PROTO_AT_V25TER) },