I get normal scrolling - up increases volume - if I use the scroll wheel while the mouse is pointing at the icon in the panel. If I click on that icon and move the mouse down to the slider that appears, the effect of the scroll wheel is reversed.
I get normal scrolling - up increases volume - if I use the scroll wheel while the mouse is pointing at the icon in the panel. If I click on that icon and move the mouse down to the slider that appears, the effect of the scroll wheel is reversed.