--- linux-2.6.2/Documentation/input/joystick-parport.txt.org	2004-02-05 02:25:41.000000000 -0500
+++ linux-2.6.2/Documentation/input/joystick-parport.txt	2004-02-05 02:38:24.000000000 -0500
@@ -453,8 +453,16 @@ uses the following kernel/module command
 	  6  | N64 pad
 	  7  | Sony PSX controller
 
-  The exact type of the PSX controller type is autoprobed, so you must have
-your controller plugged in before initializing.
+  The exact type of the PSX controller type is autoprobed with use so hot
+swapping should work.  There are two options specifically for PSX controllers:
+
+  gc_psx_delay=usec
+    The delay time between controller reads, default is 25 usec. Some users have
+    reported improved responsiveness at 10 usec.
+
+  gc_psx_ddr=1
+    Register directions events as buttons instead of axes.  Usefull for Dance
+    Dance Revolution emulators so up and down can be pressed at once.
 
   Should you want to use more than one of parallel ports at once, you can use
 gc_2 and gc_3 as additional command line parameters for two more parallel