Openmoko Bug #1194: Touchscreen Jitter

Openmoko Public Trac bugs at
Tue Dec 2 04:21:21 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):

 Replying to [comment:22 safire]:
 > What I find is that the combination of the lowpass and the skip filters
 makes for a nice click input event and stable hold.  I agree that using
 nhead=1 is better than 0.

 I just wanted to let you know that I updated the skip filter patch. It had
 some bugs.
 It should be much better now.

 I'm about to send a patch for the andy-tracking kernel that includes a
 similar filter since we will need it anyway. Thus this filter might be
 useful just for the actual stable kernel.


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