#9534 BLOC 1.5-sof: Need a kernel camera driver

Zarro Boogs per Child bugtracker at laptop.org
Thu Dec 3 22:48:30 EST 2009


#9534: Need a kernel camera driver
------------------------------------+---------------------------------------
           Reporter:  cjb           |       Owner:  dsaxena          
               Type:  defect        |      Status:  new              
           Priority:  blocker       |   Milestone:  1.5-software-beta
          Component:  kernel        |     Version:  not specified    
         Resolution:                |    Keywords:                   
        Next_action:  add to build  |    Verified:  0                
Deployment_affected:                |   Blockedby:                   
           Blocking:                |  
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Changes (by Quozl):

  * next_action:  test in build => add to build


Comment:

 I suspect this is not yet ready for test in build.

 Derived a test plan; mplayer, gstreamer, motion.  Setup a test bed; XO-1.5
 B2 with camera working per !OpenFirmware, q3a18, os51, kernel
 2.6.31_xo1.5-20091202.1210.1.olpc.0afbb69.

  * mplayer was not available to yum, package not known.

  * gstreamer did not succeed in opening /dev/video0.

  * motion did not succeed in opening /dev/video0.

  * /dev/video0 is not present on XO-1.5 but is present on XO-1, temporary
 fix tried was to verify major device number matches in /proc/devices (it
 does, 81), and then create the inode:
  {{{
 mknod /dev/video0 c 81 0
 }}}

  * per strace an open of /dev/video0 fails with ENXIO.

  * list of modules differed between XO-1.5 and XO-1.

  * camera LED remains lit.

-- 
Ticket URL: <http://dev.laptop.org/ticket/9534#comment:3>
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