I'll put out v240 with the dimmer change reverted.

Genixia is responsible for the bass/treble stuff -- I did just now check to verify that the tone logic is being invoked at boot in DC/Car mode, and yes it is. But for me at least, bass/treble don't seem to have any effect whatsoever in DC/Car mode, MOST OF THE TIME..

So for now, I guess tone controls are an AC/Home feature.

Cheers