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- /* SPDX-License-Identifier: GPL-2.0-only */
- /*
- * Copyright (c) 2007 Jiri Kosina
- */
- #ifndef _HIDRAW_H
- #define _HIDRAW_H
- #include <uapi/linux/hidraw.h>
- struct hidraw {
- unsigned int minor;
- int exist;
- int open;
- wait_queue_head_t wait;
- struct hid_device *hid;
- struct device *dev;
- spinlock_t list_lock;
- struct list_head list;
- };
- struct hidraw_report {
- __u8 *value;
- int len;
- };
- struct hidraw_list {
- struct hidraw_report buffer[HIDRAW_BUFFER_SIZE];
- int head;
- int tail;
- struct fasync_struct *fasync;
- struct hidraw *hidraw;
- struct list_head node;
- struct mutex read_mutex;
- };
- #ifdef CONFIG_HIDRAW
- int hidraw_init(void);
- void hidraw_exit(void);
- int hidraw_report_event(struct hid_device *, u8 *, int);
- int hidraw_connect(struct hid_device *);
- void hidraw_disconnect(struct hid_device *);
- #else
- static inline int hidraw_init(void) { return 0; }
- static inline void hidraw_exit(void) { }
- static inline int hidraw_report_event(struct hid_device *hid, u8 *data, int len) { return 0; }
- static inline int hidraw_connect(struct hid_device *hid) { return -1; }
- static inline void hidraw_disconnect(struct hid_device *hid) { }
- #endif
- #endif
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