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-rw-r--r--include/usb_descriptor.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/usb_descriptor.h b/include/usb_descriptor.h
index 8fdb7ef774..baa6e6421b 100644
--- a/include/usb_descriptor.h
+++ b/include/usb_descriptor.h
@@ -167,6 +167,10 @@ struct usb_endpoint_descriptor {
#define USB_SUBCLASS_GOOGLE_I2C 0x52
#define USB_PROTOCOL_GOOGLE_I2C 0x01
+#define USB_SUBCLASS_GOOGLE_CR50 0x53
+/* We can use any protocol we want */
+#define USB_PROTOCOL_GOOGLE_CR50_NON_HC_FW_UPDATE 0xff
+
/* Control requests */