diff --git a/drivers/usb/gadget/function/f_uvc.c b/drivers/usb/gadget/function/f_uvc.c
index 3c5d2593bbf9..7ccc28c93dc7 100644
--- a/drivers/usb/gadget/function/f_uvc.c
+++ b/drivers/usb/gadget/function/f_uvc.c
@@ -275,6 +275,10 @@ uvc_function_ep0_complete(struct usb_ep *ep, struct usb_request *req)
 	struct v4l2_event v4l2_event;
 	struct uvc_event *uvc_event = (void *)&v4l2_event.u.data;
 
+	uvc_trace(UVC_TRACE_CONTROL,
+		  "event_setup_out %d, data len %d\n",
+		  uvc->event_setup_out, req->actual);
+
 	if (uvc->event_setup_out) {
 		uvc->event_setup_out = 0;
 
@@ -293,6 +297,11 @@ uvc_function_setup(struct usb_function *f, const struct usb_ctrlrequest *ctrl)
 	struct v4l2_event v4l2_event;
 	struct uvc_event *uvc_event = (void *)&v4l2_event.u.data;
 
+	uvc_trace(UVC_TRACE_CONTROL,
+		  "setup request %02x %02x value %04x index %04x %04x\n",
+		  ctrl->bRequestType, ctrl->bRequest, le16_to_cpu(ctrl->wValue),
+		  le16_to_cpu(ctrl->wIndex), le16_to_cpu(ctrl->wLength));
+
 	if ((ctrl->bRequestType & USB_TYPE_MASK) != USB_TYPE_CLASS) {
 		uvcg_info(f, "invalid request type\n");
 		return -EINVAL;
diff --git a/drivers/usb/gadget/function/uvc_v4l2.c b/drivers/usb/gadget/function/uvc_v4l2.c
index 4c51e1629527..2528c894254f 100644
--- a/drivers/usb/gadget/function/uvc_v4l2.c
+++ b/drivers/usb/gadget/function/uvc_v4l2.c
@@ -41,6 +41,7 @@ uvc_send_response(struct uvc_device *uvc, struct uvc_request_data *data)
 	req->length = min_t(unsigned int, uvc->event_length, data->length);
 	req->zero = data->length < uvc->event_length;
 
+	uvc_trace(UVC_TRACE_CONTROL, "%s: req len %d\n", __func__, req->length);
 	memcpy(req->buf, data->data, req->length);
 
 	return usb_ep_queue(cdev->gadget->ep0, req, GFP_KERNEL);