/ sys / devices / platform / leds / leds / led1 / [ HOME SHELL ] 
Name Size Permission Action
  device [ DIR ] drwxr-xr-x  
  power [ DIR ] drwxr-xr-x  
  subsystem [ DIR ] drwxr-xr-x  
  brightness 4 KB -rw-r--r--   
  max_brightness 4 KB -r--r--r--   
  trigger 0 B -rw-r--r--   
  uevent 4 KB -rw-r--r--   

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  Code Editor : trigger