__u8 bDescriptorType;
__u8 bmAttributes; /* support for HNP, SRP, etc */
+ __le16 bcdOTG; /* OTG and EH supplement release number
+ * in binary-coded decimal (i.e. 2.0 is 0200H).
+ * This field identifies the release of the
+ * OTG and EH supplement with which the device
+ * and its descriptors are compliant.
+ */
} __attribute__ ((packed));
/* from usb_otg_descriptor.bmAttributes */