I have two problems with this kext. First problem is with FN keys. For me works only F2 for brightness down and F3 for brightness up. Second problem is with EAPD. When i plug headphones then system go to sleep and then i wake system sound works, but when i unplug headphones system didn't switch to speaker. Can you check this? Sorry for my english because I'm a polish My Laptop is Asus X501-A.