HID: core: add "report" hook, called once the report has been parsed

This callback is called when the parsing of the report has been done
by hid-core (so after the calls to .event). The hid drivers can now
have access to the whole report by relying on the values stored in
the different fields.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/include/linux/hid.h b/include/linux/hid.h
index 7330a0f..9f56e90 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -589,6 +589,7 @@
  * @raw_event: if report in report_table, this hook is called (NULL means nop)
  * @usage_table: on which events to call event (NULL means all)
  * @event: if usage in usage_table, this hook is called (NULL means nop)
+ * @report: this hook is called after parsing a report (NULL means nop)
  * @report_fixup: called before report descriptor parsing (NULL means nop)
  * @input_mapping: invoked on input registering before mapping an usage
  * @input_mapped: invoked on input registering after mapping an usage
@@ -627,6 +628,7 @@
 	const struct hid_usage_id *usage_table;
 	int (*event)(struct hid_device *hdev, struct hid_field *field,
 			struct hid_usage *usage, __s32 value);
+	void (*report)(struct hid_device *hdev, struct hid_report *report);
 
 	__u8 *(*report_fixup)(struct hid_device *hdev, __u8 *buf,
 			unsigned int *size);