copying my comment from bug 63544
This pref should be in only one place globally. Volume control applet already has it ("select the device and track to control"). The same setting should be respected instead of adding another pref.
copying my comment from bug 63544
This pref should be in only one place globally. Volume control applet already has it ("select the device and track to control"). The same setting should be respected instead of adding another pref.