Just commiting to get rebase done.
Added Disable EQ 'feature', so using contollers with external mixer is now possible. (Like VMS4.1 when not set to POST EQ)
Changing the key name based on review comments
Modified ui file to have Disable EQ checkbox. + fixed some review comments
Review - Changed 'disable' to 'enable'
Review comment, added copywithgain in case we disable EQ
Fixed the checkbox signal, typo.