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Diffstat (limited to 'tmk_core/protocol/chibios/usb_main.h')
-rw-r--r--tmk_core/protocol/chibios/usb_main.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/tmk_core/protocol/chibios/usb_main.h b/tmk_core/protocol/chibios/usb_main.h
index dd105e7b5e..07186f76b8 100644
--- a/tmk_core/protocol/chibios/usb_main.h
+++ b/tmk_core/protocol/chibios/usb_main.h
@@ -26,7 +26,9 @@
*/
/* The USB driver to use */
-#define USB_DRIVER USBD1
+#ifndef USB_DRIVER
+# define USB_DRIVER USBD1
+#endif // USB_DRIVER
/* Initialize the USB driver and bus */
void init_usb_driver(USBDriver *usbp);