Re: 2.6.12-rc5/2.6.12-rc5-git8 USB problems

[Andrew Morton <akpm@osdl.org>]

Sid Boyce <sboyce@blueyonder.co.uk> 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?

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