2 files changed, 42 insertions, 28 deletions

diff --git a/include/linux/hid-debug.h b/include/linux/hid-debug.h
index 50d568ec178a..53744fa1c8b7 100644
--- a/include/linux/hid-debug.h
+++ b/include/linux/hid-debug.h
@@ -2,7 +2,7 @@
 #define __HID_DEBUG_H
 
 /*
- *  Copyright (c) 2007  Jiri Kosina
+ *  Copyright (c) 2007-2009     Jiri Kosina
  */
 
 /*
@@ -22,24 +22,44 @@
  *
  */
 
-#ifdef CONFIG_HID_DEBUG
+#define HID_DEBUG_BUFSIZE 512
 
-void hid_dump_input(struct hid_usage *, __s32);
-void hid_dump_device(struct hid_device *);
-void hid_dump_field(struct hid_field *, int);
-void hid_resolv_usage(unsigned);
-void hid_resolv_event(__u8, __u16);
+#ifdef CONFIG_DEBUG_FS
+
+void hid_dump_input(struct hid_device *, struct hid_usage *, __s32);
+void hid_dump_device(struct hid_device *, struct seq_file *);
+void hid_dump_field(struct hid_field *, int, struct seq_file *);
+char *hid_resolv_usage(unsigned, struct seq_file *);
+void hid_debug_register(struct hid_device *, const char *);
+void hid_debug_unregister(struct hid_device *);
+void hid_debug_init(void);
+void hid_debug_exit(void);
+void hid_debug_event(struct hid_device *, char *);
 
-#else
 
-#define hid_dump_input(a,b)     do { } while (0)
-#define hid_dump_device(c)      do { } while (0)
-#define hid_dump_field(a,b)     do { } while (0)
-#define hid_resolv_usage(a)         do { } while (0)
-#define hid_resolv_event(a,b)       do { } while (0)
+struct hid_debug_list {
+        char *hid_debug_buf;
+        int head;
+        int tail;
+        struct fasync_struct *fasync;
+        struct hid_device *hdev;
+        struct list_head node;
+        struct mutex read_mutex;
+};
 
-#endif /* CONFIG_HID_DEBUG */
+#else
 
+#define hid_dump_input(a,b,c)           do { } while (0)
+#define hid_dump_device(a,b)            do { } while (0)
+#define hid_dump_field(a,b,c)           do { } while (0)
+#define hid_resolv_usage(a,b)           do { } while (0)
+#define hid_debug_register(a, b)        do { } while (0)
+#define hid_debug_unregister(a)         do { } while (0)
+#define hid_debug_init()                do { } while (0)
+#define hid_debug_exit()                do { } while (0)
+#define hid_debug_event(a,b)            do { } while (0)
+
+#endif
 
 #endif
 
diff --git a/include/linux/hid.h b/include/linux/hid.h
index 53489fd4d700..a0ebdace7baa 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -500,6 +500,14 @@ struct hid_device {							/* device report descriptor */
 
         /* handler for raw output data, used by hidraw */
         int (*hid_output_raw_report) (struct hid_device *, __u8 *, size_t);
+
+        /* debugging support via debugfs */
+        unsigned short debug;
+        struct dentry *debug_dir;
+        struct dentry *debug_rdesc;
+        struct dentry *debug_events;
+        struct list_head debug_list;
+        wait_queue_head_t debug_wait;
 };
 
 static inline void *hid_get_drvdata(struct hid_device *hdev)
@@ -657,9 +665,7 @@ struct hid_ll_driver {
 
 /* HID core API */
 
-#ifdef CONFIG_HID_DEBUG
 extern int hid_debug;
-#endif
 
 extern int hid_add_device(struct hid_device *);
 extern void hid_destroy_device(struct hid_device *);
@@ -815,21 +821,9 @@ int hid_pidff_init(struct hid_device *hid);
 #define hid_pidff_init NULL
 #endif
 
-#ifdef CONFIG_HID_DEBUG
 #define dbg_hid(format, arg...) if (hid_debug) \
                                 printk(KERN_DEBUG "%s: " format ,\
                                 __FILE__ , ## arg)
-#define dbg_hid_line(format, arg...) if (hid_debug) \
-                                printk(format, ## arg)
-#else
-static inline int __attribute__((format(printf, 1, 2)))
-dbg_hid(const char *fmt, ...)
-{
-        return 0;
-}
-#define dbg_hid_line dbg_hid
-#endif /* HID_DEBUG */
-
 #define err_hid(format, arg...) printk(KERN_ERR "%s: " format "\n" , \
                 __FILE__ , ## arg)
 #endif /* HID_FF */