[pulseaudio-discuss] Can't get Pulseadio to playback stream on Raspbian with HifiBerry DAC+

[Raymond Yau]

> >
> > Label says PiFi DAC+. v2.0
> >
> > I'll need to look up how to apply the patch. I'm not familiar with how
to do it.
>
> This look like driver bug since capabilities should be pvolume instead of
volume if your sound card are half duplex
>
> Simple mixer control 'PCM',0
> Capabilities: volume penum
> Playback channels: Front Left - Front Right
> Capture channels: Front Left - Front Right
> Limits: 0 - 215 Front Left: 172 [80%] Front Right: 172 [80%]
>
> Simple mixer control 'Playback',0 Capabilities: volume penum
> Playback channels: Front Left - Front Right
> Capture channels: Front Left - Front Right
> Limits: 0 - 1 Front Left: 0 [0%] [-6.00dB] Front Right: 0 [0%] [-6.00dB]
>
> Simple mixer control 'Playback Boost',0 Capabilities: volume penum
Playback channels: Front Left - Front Right
> Capture channels: Front Left - Front Right
> Limits: 0 - 1 Front Left: 0 [0%] [0.00dB] Front Right: 0 [0%] [0.00dB]
>
> >

http://cgit.freedesktop.org/pulseaudio/pulseaudio/tree/src/modules/alsa/mixer/paths/analog-output.conf.common

http://mailman.alsa-project.org/pipermail/alsa-devel/2015-March/089106.html

> >>
> >> >
>
> >> > I'll check HiFiBerry's site and see if I can get it.
> >> >
> >>
> >> https://www.hifiberry.com/dacplus/
> >>
> >> What is the label on the black DAC chip ?
> >>
> >> Aplay/Arecord output
> >> !!--------------------
> >>
> >> APLAY
> >>
> >> **** List of PLAYBACK Hardware Devices ****
> >> card 0: sndrpihifiberry [snd_rpi_hifiberry_dacplus], device 0:
HiFiBerry DAC  HiFi pcm512x-hifi-0 []
> >>   Subdevices: 1/1
> >>   Subdevice #0: subdevice #0
> >>
> >> ARECORD
> >>
> >> **** List of CAPTURE Hardware Devices ****
> >>
> >> Seem half duplex
> >>
> >>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.freedesktop.org/archives/pulseaudio-discuss/attachments/20150331/8b4afde5/attachment.html>