Mirone got a reaction from MichaelRichardLei for a file, AppleHDA ALC280 - Combo Jack Support - 10.11.4 -
-AppleHDA For ALC280 with all inputs and outputs working, including combo jack this kext is based on Codec_dump, of HP Elitebook G2.
-Use Layout-id = 4
-In a next update will be added there AppleHDA Patcher with Layout-ID=3 to maintain the standard.
-Special THANKS to: RehabMan, Theetjuh, Zirkaiva.