Openmoko Bug #1194: Touchscreen Jitter

Openmoko Public Trac bugs at
Sat Nov 29 02:05:28 CET 2008

#1194: Touchscreen Jitter
    Reporter:  mickey@…             |        Owner:  openmoko-kernel
        Type:  defect               |       Status:  in_testing     
    Priority:  high                 |    Milestone:                 
   Component:  System Software      |      Version:  unspecified    
    Severity:  normal               |   Resolution:                 
    Keywords:                       |     Haspatch:  0              
   Blockedby:                       |    Estimated:                 
 Patchreview:                       |     Blocking:                 
Reproducible:                       |  

Comment(by arhuaco):


 We just added a commit that improves the filter a lot. I hope you can try
 the latest version of the andy-tracking kernel (or stable tracking if you
 were using it).

 I'm in the middle of a tslib filter that removes the first N and the last
 M points in a DOWN-POINTS-UP event. I think it's useful with N=1 and M=1
 (we are already removing the first event in the kernel driver but I think
 it should be done in user-space).

 I will update this ticket as soon as I'm done to see if it also helps.


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