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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);
- 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);
- /* 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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