Touchpad can not smooth to move mouse

[Jim Gettys]

Luna,

If you have followed the procedure as documented in the wiki as in
Michael's mail, then it is time to get Alps involved to do root cause
analysis on the units that do not work properly.
                             - Jim


On Tue, 2007-07-24 at 11:12 +0800, Luna.Huang at quantatw.com wrote:
> We have a new discovery.
> 
> The original, image is 526.img and 406.14.img, bios is Q2C18.
> 
> The touchpad can not smooth to move mouse even we have recalibrated.
> 
> Then install image return to 406.img and bios Q2C11.
> 
> The mouse of machine can normally respond.
> 
> Last we afresh install to 526.img, 529.img and bios Q2C18.
> 
> The original event does not happen again.
> 
> Now we have two machines have the issue.
> 
> We will set them a long time and watch the event will happen again or
> not.
> 
> Does any one have ideal about it?
> 
> Luna
> 
>  
> 
> 
>                                    
> ______________________________________________________________________
> From:devel-bounces at lists.laptop.org
> [mailto:devel-bounces at lists.laptop.org] On Behalf Of
> Luna.Huang at quantatw.com
> Sent: Tuesday, July 24, 2007 8:31 AM
> To: warp at aehallh.com; kim at laptop.org
> Cc: devel at lists.laptop.org; software-team at laptop.org
> Subject: RE: Touchpad can not smooth to move mouse
> 
> 
>  
> 
> Sorry I forget to say.
> 
> Bios is Q2C18.
> 
> My machine is using shipping image (406.XX.img). 
> 
> Install image to 526.img has the same question.
> 
> I have tried the recalibrate but it dose not really work.
> 
> The mouse does not respond.
> 
> When I do an action that draw a line from upper left to lower right on
> GS.
> 
> The mouse just moves a little or does not move on sugar frame. 
> 
>  
> 
> Luna
> 
>  
> 
> > -----Original Message-----
> 
> > From: Zephaniah E. Hull [mailto:warp at aehallh.com]
> 
> > Sent: Monday, July 23, 2007 11:29 PM
> 
> > To: Luna Huang (S玲)
> 
> > Cc: devel at lists.laptop.org; software-team at laptop.org
> 
> > Subject: Re: Touchpad can not smooth to move mouse
> 
> > 
> 
> > What build version are you using?
> 
> > 
> 
> > Zephaniah E. Hull.
> 
> > 
> 
> > On Mon, Jul 23, 2007 at 08:13:04PM +0800, Luna.Huang at quantatw.com
> wrote:
> 
> > > Um ~ ask a question.
> 
> > >
> 
> > > I find my B4 OLPC whose mouse can not smooth moving on sugar.
> 
> > >
> 
> > > The issue only happens on Glidesensor(GS) but not on Pentable(PT).
> 
> > >
> 
> > > I find resistive can normally respond the mouse address but
> capacitive is hard.
> 
> > >
> 
> > > And catch the driver “/dev/input/mouse0”, it has a little of
> response when move
> 
> > the mouse.
> 
> > >
> 
> > > At first I think maybe ALPS touchpad device is broken.
> 
> > >
> 
> > > Then do mouse test on OFW.
> 
> > >
> 
> > > Find the touchpad device can normally respond on GS test and PT
> test.
> 
> > >
> 
> > >
> 
> > >
> 
> > > Now I judge that the device is not broken and the question happens
> on other HW
> 
> > devices.
> 
> > >
> 
> > > Somebody can give me ideal to fine which one device has wrong.
> 
> > >
> 
> > > I am not sure what different between driver and OFW test.
> 
> > >
> 
> > > Want to solve the question but only can measure waveform just
> that.
> 
> > >
> 
> > >
> 
> > >
> 
> > > Thanks.
> 
> > >
> 
> > >
> 
> > >
> 
> > > Luna
> 
> > >
> 
> > 
> 
> > > _______________________________________________
> 
> > > Software-team mailing list
> 
> > > Software-team at lists.laptop.org
> 
> > > http://lists.laptop.org/listinfo/software-team
> 
> > 
> 
> > 
> 
> > --
> 
> >         1024D/E65A7801 Zephaniah E. Hull <warp at aehallh.com>
> 
> >          92ED 94E4 B1E6 3624 226D  5727 4453 008B E65A 7801
> 
> >           CCs of replies from mailing lists are requested.
> 
> 
> _______________________________________________
> Devel mailing list
> Devel at lists.laptop.org
> http://lists.laptop.org/listinfo/devel
-- 
Jim Gettys
One Laptop Per Child

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