#12228 NORM 4-softw: xo-4: zforce driver change x/y position

Zarro Boogs per Child bugtracker at laptop.org
Tue Oct 23 11:15:21 EDT 2012

#12228: xo-4: zforce driver change x/y position
           Reporter:  godiard      |       Owner:                                   
               Type:  defect       |      Status:  new                              
           Priority:  normal       |   Milestone:  4-software                       
          Component:  touchscreen  |     Version:  Development build as of this date
         Resolution:               |    Keywords:                                   
        Next_action:  diagnose     |    Verified:  0                                
Deployment_affected:               |   Blockedby:                                   
           Blocking:               |  
Changes (by pgf):

  * version:  4-B1 => Development build as of this date


 i see what you're referring to (using "evtest", and selecting "virtual
 touchscreen").  i just tried this with the 1.75 raydium touchscreen, and
 there are far, far, more events if you hold your finger down.  but i see
 that on 1.75 they mostly vary by pressure, instead of by position.  the
 events reported by the zforce device on XO-4 vary by both, but perhaps not
 as excessively.

   - do you not see the problem in activities using the 1.75 touchscreen?
 (it's possible that some other layer is preventing the application from
 seeing the events that vary only in pressure.)
   - are we certain that filtering touchscreen events should be done in the
 driver?  i'm happy to do so, but i want to be sure it's the correct thing
 to do.

Ticket URL: <http://dev.laptop.org/ticket/12228#comment:2>
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