1 files changed, 6 insertions, 0 deletions

diff --git a/firmware/usbstack/usb_class_driver.h b/firmware/usbstack/usb_class_driver.h
index 631d5a3bc1..beeec86fb7 100644
--- a/firmware/usbstack/usb_class_driver.h
+++ b/firmware/usbstack/usb_class_driver.h
@@ -54,6 +54,12 @@ struct usb_class_driver {
        able to handle it, it should ack the request, and return true. Otherwise
        it should return false. */
     bool (*control_request)(struct usb_ctrlrequest* req);
+
+#ifdef HAVE_HOTSWAP
+    /* Tells the driver that a hotswappable disk/card was inserted or
+       extracted */
+    void (*notify_hotswap)(int volume, bool inserted);
+#endif
 };
 
 #endif