led 1 is off but p0.13 get 3v output , similarly led 1 is on p0.13 get 0v output, how to change it help me

[Brainson]

led 1 is off but p0.13 get 3v output , similarly led 1 is on p0.13 get 0v output, how to change it help me. similar for led 1 to led 4 respectively p0.13 to p0.16. 

[Brainson]

i agree for switch but what for CTL example and dimming, please give proper answer