Bug#735080: [Pkg-xfce-devel] Bug#735080: xfce4-mixer: External amplifier checkbox missing after recent updates; cannot "uncheck," so no audio

[I. Am]

>
> It'd be nice to confirm is the setting existed in alsamixer before (try
> maybe to boot with an older kernel), but it might just be a kernel issue
> then.

Indeed, booting 3.11-1-amd64 / 3.11.6-2 restores the checkbox option and
sound.

Thanks