[pulseaudio-discuss] [PATCH 3/6] alsa-mixer: Switch off the Headphone element on the line-out path

[Sjoerd Simons]

On Sat, 2014-11-01 at 21:57 +0800, Raymond Yau wrote:
> >
> > If the Headphone element isn't turned off when switching to line-out
> > (with headphone plugged in) it can keep outputting audio (even though
> > it's mute/zero!?).. So just explicitely turn it off.
> > ---
> >
> 
> If you changed the volume of headphone after unplugged, this mean that the
> volume of headphone will be forced to be maximun when you plugged the
> headphone next time

Ugh, so the kernel sets it to the maximum and then pulse restores it to
a sensible level? That's nasty. 

Any idea why the headphone would keep outputting audio even when muted?
-- 
Sjoerd Simons <sjoerd at luon.net>