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-rw-r--r--firmware/export/usb_core.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/firmware/export/usb_core.h b/firmware/export/usb_core.h
index fc1c742..5d888ce 100644
--- a/firmware/export/usb_core.h
+++ b/firmware/export/usb_core.h
@@ -53,6 +53,7 @@ void usb_core_enable_driver(int driver,bool enabled);
bool usb_core_driver_enabled (int driver);
void usb_core_handle_transfer_completion(
struct usb_transfer_completion_event_data* event);
+int usb_core_ack_control(struct usb_ctrlrequest* req);
#ifdef HAVE_HOTSWAP
void usb_core_hotswap_event(int volume,bool inserted);
#endif