[ltp] trackpoint doesn't recognized (2.6.23.17)

Oleg Bartunov linux-thinkpad@linux-thinkpad.org
Thu, 3 Apr 2008 18:51:12 +0400 (MSD)


On Thu, 3 Apr 2008, Richard Neill wrote:

>
>
> Oleg Bartunov wrote:
>> Hello,
>>
>> I am many years owner of thinkpads+linux, but recently got a problem
>> with my x61s. Everything worked fine (except some buttons) for me until
>> I decided to upgrade kernel from 2.6.21.5 to 2.6.23.17.
>>
>> I tried to change default sensitivity of trackpoint on my
>> Linux Slackware 12.0  Thinkpad X61s, but got strange problem
>> with 2.6.23.17
>>
>> zen:/usr/src/linux/drivers/input/mouse #>echo -n "200" >
>> /sys/devices/platform/i8042/serio1/sensitivity
>> bash: /sys/devices/platform/i8042/serio1/sensitivity: Permission denied
>>
>> Looks like trackpoint doesn't recognized
>> zen:/usr/src/linux/drivers/input/mouse #>dmesg |grep mouse
>> mice: PS/2 mouse device common for all mice
>>
>> psmouse compiled as a module. Below is relevan part of my .config:
>> CONFIG_INPUT_MOUSE=y
>> CONFIG_MOUSE_PS2=m
>> CONFIG_MOUSE_PS2_ALPS=y
>> CONFIG_MOUSE_PS2_LOGIPS2PP=y
>> CONFIG_MOUSE_PS2_SYNAPTICS=y
>> CONFIG_MOUSE_PS2_LIFEBOOK=y
>> CONFIG_MOUSE_PS2_TRACKPOINT=y
>>
>> Do you have any idea what could be a problem ?
>>
>
>
> 2 possible thoughts:
>
> 1)sometimes the serio device that you have to tweak changes between
> serio1, serio0 and serio2. I don't know why it's volatile, but you might
> check for the others.  If you have a "sensitivity" file somewhere, then
> the TP is probably working OK.

no, I checked all serio*. And I checked dmesg output - no trackpoint 
was detected

>
> 2)A mistake I sometimes make is to do
>   sudo PROGRAM > FILENAME

no, I did as root.

> By doing this, PROGRAM runs as root, but the redirection to  FILENAME is
> carried out as a normal user. Might this account for a permission denied
> error? (and you have simplified the test case when quoting it?)
>
> For what it's worth, here's what I have to do for the T60p:
>
>        sudo sh -c "echo -n 255 >
> /sys/devices/platform/i8042/serio1/serio2/sensitivity"   #Makes it a
> very light touch. Default: 128
>
>        sudo sh -c "echo -n 255 >
> /sys/devices/platform/i8042/serio1/serio2/speed"         #Not much effect.
>
>        sudo sh -c "echo -n 3 >
> /sys/devices/platform/i8042/serio1/serio2/inertia"         #Negative
> inertia. Default: 6
>
>
>
> Best wishes,
>
> Richard
>

 	Regards,
 		Oleg
_____________________________________________________________
Oleg Bartunov, Research Scientist, Head of AstroNet (www.astronet.ru),
Sternberg Astronomical Institute, Moscow University, Russia
Internet: oleg@sai.msu.su, http://www.sai.msu.su/~megera/
phone: +007(495)939-16-83, +007(495)939-23-83