Changes

Line 198: Line 198:  
    
 
    
 
     # The light sensor is only available on the XO 1.75
 
     # The light sensor is only available on the XO 1.75
     device = '/sys/devices/platform/olpc-ols.0/power_state'
+
     device = '/sys/devices/platform/olpc-ols.0/level'
 
      
 
      
 
     if os.path.exists(device):
 
     if os.path.exists(device):
Line 232: Line 232:  
   cmd='sudo chmod 777 {!s}'.format(devicestr)
 
   cmd='sudo chmod 777 {!s}'.format(devicestr)
 
   os.system(cmd)                            #caution! changing system file permissions
 
   os.system(cmd)                            #caution! changing system file permissions
   fd =open(devicestr, 'rb')
+
   fd = open(devicestr, 'rb')
 
   for x in range(12):
 
   for x in range(12):
 
       fd.read(1)                              #does not return till the switch state changes
 
       fd.read(1)                              #does not return till the switch state changes