Openmoko Bug #2345: all pixels are white after xset dpms force off/on

Openmoko Public Trac bugs at docs.openmoko.org
Wed Jul 7 21:13:40 CEST 2010


#2345: all pixels are white after xset dpms force off/on
--------------------+-------------------------------------------------------
 Reporter:  lindi   |          Owner:  openmoko-kernel
     Type:  defect  |         Status:  new            
 Priority:  normal  |      Milestone:                 
Component:  kernel  |        Version:  unspecified    
 Severity:  normal  |       Keywords:                 
 Haspatch:  0       |      Blockedby:                 
Estimated:          |    Patchreview:                 
 Blocking:          |   Reproducible:  always         
--------------------+-------------------------------------------------------

Comment(by lindi):

 After

 om screen power 0
 om screen power 1

 I see useful data again. om does

 {{{
 int om_screen_power_set(int val)
 {
         int fd, ret;

         fd = open("/dev/fb0", O_RDWR);
         if (fd < 0) return -1;

         ret = ioctl(fd, FBIOBLANK, val ? FB_BLANK_UNBLANK :
 FB_BLANK_POWERDOWN);
         if (ret != 0) return -2;

         return 0;
 }
 }}}

-- 
Ticket URL: <https://docs.openmoko.org/trac/ticket/2345#comment:1>
docs.openmoko.org <http://docs.openmoko.org/trac/>
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