[pulseaudio-discuss] Implementation of software volume control? and Verbose log cause issues.

Espen Lund espen.lund at gmail.com
Mon Apr 1 05:00:48 PDT 2013

Hi, i come from
I wonder if there is a issue with Pulseaudio and how you implement your
software volume control, because keep having issues with digital out beeing
reset when switching output.

( 3.280| 0.000) D: [pulseaudio] alsa-mixer.c: Activating path iec958-stereo-
( 3.280| 0.000) D: [pulseaudio] alsa-mixer.c: Path iec958-stereo-output
(Digital Output (S/PDIF)), direction=1, priority=0, probed=yes,
supported=yes, has_mute=yes, has_volume=no, has_dB=no, min_volume=0,
max_volume=0, min_dB=inf, max_dB=-inf
( 3.280| 0.000) D: [pulseaudio] alsa-mixer.c: Element IEC958, direction=1,
switch=1, volume=0, volume_limit=-1, enumeration=0, required=0,
required_any=0, required_absent=0, mask=0x0, n_channels=0, override_map=no
( 3.280| 0.000) I: [pulseaudio] alsa-sink.c: Driver does not support
hardware volume control, falling back to software volume control.
( 3.280| 0.000) I: [pulseaudio] alsa-sink.c: Using hardware mute control.

How are you implementing the software volume control?

I have a video showcasing this:

Also, whenever i follow your instructions to create a verbose log. All my
sound devices are gone.
The only thing that makes sound work again, is to write pulseaudio -vvvv in
terminal at every startup.
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