Fixed USB_GetHIDReportItemInfo() function modifying the given report item's data...

[pub/USBasp.git] / LUFA / Drivers / USB / Class / Host / HIDParser.h

diff --git a/LUFA/Drivers/USB/Class/Host/HIDParser.h b/LUFA/Drivers/USB/Class/Host/HIDParser.h
index 5f8fa37..f772fed 100644 (file)
--- a/LUFA/Drivers/USB/Class/Host/HIDParser.h
+++ b/LUFA/Drivers/USB/Class/Host/HIDParser.h
@@ -285,8 +285,10 @@
                        /** Extracts the given report item's value out of the given HID report and places it into the Value
                         *  member of the report item's \ref HID_ReportItem_t structure.
                         *
-                        *  When called, this copies the report item's Value element to it's PreviousValue element for easy
-                        *  checking to see if an item's value has changed before processing a report.
+                        *  When called on a report with an item that exists in that report, this copies the report item's Value 
+                        *  to it's PreviousValue element for easy checking to see if an item's value has changed before processing
+                        *  a report. If the given item does not exist in the report, the function does not modify the report item's
+                        *  data.
                         *
                         *  \param[in]     ReportData  Buffer containing an IN or FEATURE report from an attached device.
                         *  \param[in,out] ReportItem  Pointer to the report item of interest in a \ref HID_ReportInfo_t ReportItem array.