Index: uspace/lib/usb/include/usb/classes/hidparser.h
===================================================================
--- uspace/lib/usb/include/usb/classes/hidparser.h	(revision 0bd4810ce0faf13c2d91fb897a1d5d2e5ccaf73c)
+++ uspace/lib/usb/include/usb/classes/hidparser.h	(revision c32688d8b8b15ffa8962da4919a101e571c35d61)
@@ -52,13 +52,17 @@
  * Input/Output/Feature Item flags
  */
-#define USB_HID_ITEM_FLAG_CONSTANT(flags) 	(flags & 0x1)
-#define USB_HID_ITEM_FLAG_VARIABLE(flags) 	(flags & 0x2)
-#define USB_HID_ITEM_FLAG_RELATIVE(flags) 	(flags & 0x4)
-#define USB_HID_ITEM_FLAG_WRAP(flags)		(flags & 0x8)
-#define USB_HID_ITEM_FLAG_LINEAR(flags)		(flags & 0x10)
-#define USB_HID_ITEM_FLAG_PREFERRED(flags)	(flags & 0x20)
-#define USB_HID_ITEM_FLAG_POSITION(flags)	(flags & 0x40)
-#define USB_HID_ITEM_FLAG_VOLATILE(flags)	(flags & 0x80)
-#define USB_HID_ITEM_FLAG_BUFFERED(flags)	(flags & 0x100)
+/** Constant (1) / Variable (0) */
+#define USB_HID_ITEM_FLAG_CONSTANT(flags) 	((flags & 0x1) == 0x1)
+/** Variable (1) / Array (0) */
+#define USB_HID_ITEM_FLAG_VARIABLE(flags) 	((flags & 0x2) == 0x2)
+/** Absolute / Relative*/
+#define USB_HID_ITEM_FLAG_RELATIVE(flags) 	((flags & 0x4) == 0x4)
+/** Wrap / No Wrap */
+#define USB_HID_ITEM_FLAG_WRAP(flags)		((flags & 0x8) == 0x8)
+#define USB_HID_ITEM_FLAG_LINEAR(flags)		((flags & 0x10) == 0x10)
+#define USB_HID_ITEM_FLAG_PREFERRED(flags)	((flags & 0x20) == 0x20)
+#define USB_HID_ITEM_FLAG_POSITION(flags)	((flags & 0x40) == 0x40)
+#define USB_HID_ITEM_FLAG_VOLATILE(flags)	((flags & 0x80) == 0x80)
+#define USB_HID_ITEM_FLAG_BUFFERED(flags)	((flags & 0x100) == 0x100)