[ltp] Changing sensitivity ThinkPad USB Keyboard with TrackPoint

[Yves-Alexis Perez]

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On mer., 2012-05-09 at 18:04 -0700, Quesillo Quesedor wrote:
> Hello=20
>=20
> I have this python script for changing the sensitivity of the trackpoint.
>=20
> #pyusb imports
> import usb.core=20
> import usb.util
>=20
> data =3D [0x4, 0x6a, 0x3, 0xfc, 0x38]
> dev =3D usb.core.find(idVendor=3D0x17ef, idProduct=3D0x6009)
>=20
> dev.ctrl_transfer(0x21, 0x9, 0x304, 0x1, data)
>=20
>=20
> It needs root to be able to open the device and on linux you need to unbi=
nd the trackpoint device from usbhid module before you run the script and t=
hen bind it back.
> # echo XXX > /sys/bus/usb/drivers/usbhid/unbind
>=20
> # python2 trackpoint-script.py
> # echo XXX > /sys/bus/usb/drivers/usbhid/bind
> I did try to use Device.attach_kernel_driver but it doesn't seems to work=
 for the trackpoint interface.
>=20
> data[3] is the value that changes the sensitivity level, I found that the=
 windows driver use one of the following values
> 0x66 0x72 0x80 0x8f 0xa0 0xb3 0xc9 0xe1 0xfc
>=20
I'm a bit unsure about that, but would it make sense to do that with an
in-kernel interface or something like that?

--=20
Yves-Alexis

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