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/*
* This header declares the utility functions used by "Gadget Zero", plus
* interfaces to its two single-configuration function drivers.
*/
#ifndef __G_ZERO_H
#define __G_ZERO_H
#include <linux/usb/composite.h>
/* global state */
extern unsigned buflen;
extern const struct usb_descriptor_header *otg_desc[];
/* common utilities */
struct usb_request *alloc_ep_req(struct usb_ep *ep, int len);
void free_ep_req(struct usb_ep *ep, struct usb_request *req);
void disable_endpoints(struct usb_composite_dev *cdev,
struct usb_ep *in, struct usb_ep *out,
struct usb_ep *iso_in, struct usb_ep *iso_out);
/* configuration-specific linkup */
int sourcesink_add(struct usb_composite_dev *cdev, bool autoresume);
int loopback_add(struct usb_composite_dev *cdev, bool autoresume);
#endif /* __G_ZERO_H */
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