I recently purchased a generic Twin USB gamepad.  I am running Ubuntu
8.10.  At first, the gamepad wasn't recognized at all.  I eventually
fixed this using jscalibrator.  After I got the gamepad to be
recognized, I rand across the problem that is listed in this bug report.
After searching forums and comments on launchpad, I ran into the
suggestion to add the hid-quirks patch.  The only problem was that I
couldn't figure out how to add this patch.  To many, this might seem
quite obvious.  Maybe this is just the case of a semi-newbie trying to
find perfect step-by-step directions for something that is simple enough
that many more experienced user assume as common knowledge.  Anyway, I
am including a step by step reference for people, like me, who aren't
familiar with adding patches to devices and need a little more
explanation.  Here is the process that I went through to get the
controllers to be recognized correctly.

1. Go to this web page: 
http://georgia.ubuntuforums.org/showthread.php?t=338457&page=1
   This page gives a lot of good tips on getting the gamepad to be recognized.  
After following most of the tips on the page, my controller was still only 
recognized as one gamepad as opposed to two separate twin pads.  This is where 
the hid-quirks patch comes in.

2. I should mention that before adding patch, I installed 3 HID
libraries (python-hid, libhid0, inputlirc) through Synaptic.  This may
or may not have been part of the fix.  Regardless, it was still
necessary to add the hid-quirks patch.

3. download the patch.  the file name is hid_quirks.c and many pages
have a download for it.  It might be best to make sure the the version
of the patch is suitable for your kernel version.  I just downloaded a
version that looked like it was from a trusted web page and hoped for
the best.

4. open a terminal and find your kernel version number by typing:  uname
-a

5. move the hid_quirks.c file to /usr/src/*YourKernelFolder*/drivers/hid/usbhid 
    *YourKernelFolder* should be replaced with the folder name that contains 
your kernel version.

6. Reboot if necessary.

7. Both controllers should be recognized appropriately after completing
these steps.

I want to mention that this is the first solution that I've posted for
any problems with Ubuntu.  Normally, if I have a problem, I search the
forums and Google and try to find the answers or I ask a friend.  I have
come across very few things so far that I haven't been able to fix by
these methods.  When I came across this problem, none of the answers
that anyone was giving seemed to explain the process well enough.

I would like feedback on this fix.  I'm sure it could be more clear or
maybe I missed a step.  Let me know how this works for people.  Thanks.

Ryan

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linux-image-2.6.20-16 fails to detect twin usb gamepad
https://bugs.launchpad.net/bugs/140608
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