[pulseaudio-tickets] [Bug 81777] Can't change optical-out volume on Terratec Aureon DualUSB

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=81777

--- Comment #9 from main.haarp at gmail.com ---
(In reply to Tanu Kaskinen from comment #3)
> (In reply to comment #2)
> > Interestingly, if I set ignore_dB=1 then PA falls back to software-mixing
> > only. That actually seems like a simpler workaround ten yours, Tanu :P
> 
> That shouldn't happen... ignore_dB=1 should have the opposite effect:
> software volume should get disabled for the device.
I swear that it reverts to exclusive software-mixing. Maybe it's because PA on
this machine is quite old? (Debian stable has PA 2.0)


(In reply to Tanu Kaskinen from comment #6)
> Main, could you test if muting the Speaker mixer element has any effect when
> using digital output? I don't have hardware to test the digital output
> myself.
I can confirm that muting works on the optical out.


> I wrote a patch that should fix this bug. Instead of using two profiles for
> selecting between analog and digital, I decided to just disable hardware
> volume control in both modes, because requiring the user to select the
> profile manually wouldn't really be very user-friendly.
Cool, thanks!
Wouldn't it suffice to make software mixing the default? Users who use the
analog output may then still switch to hardware then (and get lower CPU usage I
suppose)

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