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-rw-r--r--os/hal/include/usb.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/os/hal/include/usb.h b/os/hal/include/usb.h
index a99b9f511..d6b2c7cb4 100644
--- a/os/hal/include/usb.h
+++ b/os/hal/include/usb.h
@@ -69,6 +69,7 @@
#define USB_DESCRIPTOR_DEVICE_QUALIFIER 6
#define USB_DESCRIPTOR_OTHER_SPEED_CFG 7
#define USB_DESCRIPTOR_INTERFACE_POWER 8
+#define USB_DESCRIPTOR_INTERFACE_ASSOCIATION 11
#define USB_FEATURE_ENDPOINT_HALT 0
#define USB_FEATURE_DEVICE_REMOTE_WAKEUP 1