mixxxdj/mixxx — pull request #227 by ywwg (2014-04-10 14:30:55+00:00)
Title: Don't process EQ until the user actually changes an EQ value.  

Saves CPU for our many users who never touch the controls.
TESTED=hand tested, didn't hear popping when the changeover happens, also spat out debug output to confirm it did what I thought