Code review comment for lp:~binli/unity-control-center/1291862

> Thank you for the work, the change seems fine to me and it looks like it
> should apply to upstream GNOME (the code seems similar in
> https://git.gnome.org/browse/gnome-control-center/plain/panels/sound/gvc-
> mixer-dialog.c)
>
> Could you forward the change to them
> (https://bugzilla.gnome.org/enter_bug.cgi?product=gnome-control-center)
>
> It also looks like you could apply the same fix for the output as well (not
> sure how frequent it is to get a machine without audio ouput but it looks like
> it would lead to the same issue)
Sebastien,

I've finished the code for output bar.