I've tried to patch applehda.kext by myself, but it still does not has sound? hope anyone can help me to take a look where my miss is,
Heres my spec: Acer 4739, ALC271x (based on codec dump), Yosemite 10.10.5
I also attach my applehda.kext, in case you guys want to check it. Thanks in advance
edit: after some minute( maybe 30 mins), in device(system info) built-in and built-out show up, but still no sound, and ioreg also changed
(I attach it also)
layout28.xml
Platforms.xml
codec_dump.txt
ioreghdamanual.zip
patchAppleHDA.kext.zip
after some minute reg.zip