[pulseaudio-discuss] Pulse Audio Configuration

[Tanu Kaskinen]

On Mon, 2014-02-24 at 09:12 -0600, Sean McCully wrote:
> That profile appears to exists in ALSA configuration.
> 
> $ pasuspender -- speaker-test --channels=6 --device=surround51:0
> 
> speaker-test 1.0.27.2
> 
> Playback device is surround51:0
> Stream parameters are 48000Hz, S16_LE, 6 channels
> Using 16 octaves of pink noise
> Channels count (6) not available for playbacks: Invalid argument
> Setting of hwparams failed: Invalid argument

So surround51:0 doesn't accept six channel configuration. This is a bug
in alsa-lib. You can complain on the alsa-devel mailing list. When
writing there, include the output that you pasted above, and the output
of alsa-info.sh.

-- 
Tanu