Openmoko Bug #1194: Touchscreen Jitter

[Openmoko Public Trac]

#1194: Touchscreen Jitter
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    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:                       |  
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Comment(by safire):

 I tested the lowpass module with Debian, and find that it helps quite a
 bit.  In my testing, I got the best results putting the lowpass module
 after dejitter.  This is despite seeing no effect of changing the delta
 parameters for the variance and dejitter modules.

 For others that may want to try with Debian:

 apt-get install libtool automake g++
 apt-get source tslib

 After building tslib I copied lowpass.so and lowpass.la to /usr/lib/ts and
 added "module lowpass" after dejitter in /etc/ts.conf.

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Ticket URL: <https://docs.openmoko.org/trac/ticket/1194#comment:19>
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