Hi Deepak, 
the first, thanks again for helping patch my sound, current everything is working (El captian 10.11.6) 
this is link to your help: https://osxlatitude.com/index.php?/topic/1946-complete-applehda-patching-guide/page-21 
  
in while, i read your guide and try to patch my sound. i want to understand it to can help me and other. 
i installed macOS sierra 10.12 on another disk to patch sound, but my patch didn't work. 
If you have free time, can you help me/show me what's wrong in my patch? ( i tried extracting your config data in your kext patched and use them to patch applehda 10.12 but it's not working 
  
Thanks Deepak. 
  
  
 
 
 
card1-codec#2.txt