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- /* SPDX-License-Identifier: GPL-2.0 */
- /*
- * u_hid.h
- *
- * Utility definitions for the hid function
- *
- * Copyright (c) 2014 Samsung Electronics Co., Ltd.
- * http://www.samsung.com
- *
- * Author: Andrzej Pietrasiewicz <[email protected]>
- */
- #ifndef U_HID_H
- #define U_HID_H
- #include <linux/usb/composite.h>
- struct f_hid_opts {
- struct usb_function_instance func_inst;
- int minor;
- unsigned char subclass;
- unsigned char protocol;
- unsigned char no_out_endpoint;
- unsigned short report_length;
- unsigned short report_desc_length;
- unsigned char *report_desc;
- bool report_desc_alloc;
- /*
- * Protect the data form concurrent access by read/write
- * and create symlink/remove symlink.
- */
- struct mutex lock;
- int refcnt;
- };
- int ghid_setup(struct usb_gadget *g, int count);
- void ghid_cleanup(void);
- #endif /* U_HID_H */
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