Problem with CH Yoke and Pedals since 2.6.12-rc5 still unresolved

For a look back, I include my original post and Andrew Morton's reply. 
Posting to this group didn't get any response.
I found a workaround, I unplug and replug the devices and it all works.
-----------------------------------------------------------------------
http://readlist.com/lists/vger.kernel.org/linux-kernel/23/117018.html
Subject:        Re: 2.6.12-rc5/2.6.12-rc5-git8 USB problems
Group:  Linux-kernel
From:   Andrew Morton
Date:   4 Jun 2005


Sid Boyce <sboyce> wrote:
 >
 > Everything works OK on 2.6.12-rc4. The joysticks are seen by lsusb and
 > the joystick test programs, but the controls do nothing in 2.6.12-rc5
 > and 2.6.12-rc5-git8.
 > # js_demo
 > Joystick test program.
 > ~~~~~~~~~~~~~~~~~~~~~~
 > Joystick 0: "CH PRODUCTS CH FLIGHT SIM YOKE USB "
 > Joystick 1: "CH PRODUCTS CH PRO PEDALS USB "
 >
 > # jscal /dev/js0
 > Joystick has 7 axes and 13 buttons.
 > Correction for axis 0 is broken line, precision is 0.
 > Coeficients are: 127, 127, 5534751, 5534751
 > Correction for axis 1 is broken line, precision is 0.
 > Coeficients are: 127, 127, 5534751, 5534751
 > Correction for axis 2 is broken line, precision is 0.
 > Coeficients are: 127, 127, 5534751, 5534751
 > Correction for axis 3 is broken line, precision is 0.
 > Coeficients are: 127, 127, 5534751, 5534751
 > Correction for axis 4 is broken line, precision is 0.
 > Coeficients are: 127, 127, 5534751, 5534751
 > Correction for axis 5 is broken line, precision is 0.
 > Coeficients are: 0, 0, 536870912, 536870912
 > Correction for axis 6 is broken line, precision is 0.
 > Coeficients are: 0, 0, 536870912, 536870912
 >

The consensus from Dmitry and Vojtech is that this could be either USB or
an input layer problem, but nothing changed in [UO]HCI or HID between the
two mentioned versions.

So this is more likely a recent regression in the USB code. Could someone
please grab it while it's fresh?
---------------------------------------------------------------------------

Re: [Linux-usb-users] Joystick controls inoperable - CH Pro ducts Yoke 
and Pedals

Lauri Koponen
Thu, 07 Sep 2006 16:25:15 -0700

Sid Boyce <sboyce <at> blueyonder.co.uk> writes:

 >
 > Sid Boyce wrote:
 > > On the odd occasion recently they have worked. Kernel 2.6.17-rc4-git9
 > > now, but in much earlier kernels everything worked, may be up to 
2.6.14
 > > would be my best guess.
 > > # CONFIG_INPUT_JOYSTICK is not set
 > > Turned the above off after seeing the problem in case it was 
looking for
 > > analog.
 > After a power on or reboot, unplugging and replugging the Yoke and
 > Pedals results in them working normally, probably a timing issue.
 > Regards
 > Sid.


Hi.

I have this very same problem with CH CS568 and CH Pro Pedals.
I don't have really anything to add. As you said replugging the
device helps, but it's rather annoying.

Seems like every CH USB device suffers from this under later linux 2.6 
kernels,
----------------------------------------------------------------------------------
Right up until now - kernel 2.6.23-rc3 and on many hardware boxes since.
#  jscal /dev/input/js0
Joystick has 7 axes and 12 buttons.
Correction for axis 0 is broken line, precision is 0.
Coeficients are: 112, 142, 5534751, 5534751
Correction for axis 1 is broken line, precision is 0.
Coeficients are: 112, 142, 5534751, 5534751
Correction for axis 2 is broken line, precision is 0.
Coeficients are: 112, 142, 5534751, 5534751
Correction for axis 3 is broken line, precision is 0.
Coeficients are: 112, 142, 5534751, 5534751
Correction for axis 4 is broken line, precision is 0.
Coeficients are: 112, 142, 5534751, 5534751
Correction for axis 5 is broken line, precision is 0.
Coeficients are: 0, 0, 536870912, 536870912
Correction for axis 6 is broken line, precision is 0.
Coeficients are: 0, 0, 536870912, 536870912

Replugging devices
===================

# jscal /dev/input/js0
Joystick has 7 axes and 12 buttons.
Correction for axis 0 is broken line, precision is 0.
Coeficients are: 112, 142, 5534751, 5534751
Correction for axis 1 is broken line, precision is 0.
Coeficients are: 112, 142, 5534751, 5534751
Correction for axis 2 is broken line, precision is 0.
Coeficients are: 112, 142, 5534751, 5534751
Correction for axis 3 is broken line, precision is 0.
Coeficients are: 112, 142, 5534751, 5534751
Correction for axis 4 is broken line, precision is 0.
Coeficients are: 112, 142, 5534751, 5534751
Correction for axis 5 is broken line, precision is 0.
Coeficients are: 0, 0, 536870912, 536870912
Correction for axis 6 is broken line, precision is 0.
Coeficients are: 0, 0, 536870912, 536870912

# js_demo
Joystick test program.
~~~~~~~~~~~~~~~~~~~~~~
Joystick 0: "CH PRODUCTS CH FLIGHT SIM YOKE USB "
Joystick 1: "CH PRODUCTS CH PRO PEDALS USB "
Joystick 2 not detected
Joystick 3 not detected
Joystick 4 not detected
Joystick 5 not detected
Joystick 6 not detected
Joystick 7 not detected
+--------------------JS.0----------------------+--------------------JS.1----------------------+
| Btns Ax:0 Ax:1 Ax:2 Ax:3 Ax:4 Ax:5 Ax:6      | Btns Ax:0 Ax:1 Ax:2 
                       |
+----------------------------------------------+----------------------------------------------+
| 0000 +0.1 +0.0 -1.0 -1.0 -1.0 +0.0 +0.0   .  | 0000 -1.0 -1.0 -0.2   . 
    .    .    .    .  |

js_demo before replugging, all axes were stuck at zero.
Regards
Sid.
-- 
Sid Boyce ... Hamradio License G3VBV, Licensed Private Pilot
Emeritus IBM/Amdahl Mainframes and Sun/Fujitsu Servers Tech Support 
Specialist, Cricket Coach
Microsoft Windows Free Zone - Linux used for all Computing Tasks


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