This VoodooHDA 2.8.7 can enable ALC888 audio on OS X Yosemite. Install it, restart you Hackintosh. You may hear some noise. To fix the noise, go to VoodooHDA pref pane in System Preferences and decrease Input Grain. Enjoy.
Should work with Mavericks
Will Work with Yosemite
Might work with other audio devices on yosemite