[Bug 252761] multichannel USB audio device reports only 2 channels via SNDCTL_AUDIOINFO

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=252761

Hans Petter Selasky <hselasky at FreeBSD.org> changed:

           What    |Removed                     |Added
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                 CC|                            |hselasky at FreeBSD.org

--- Comment #1 from Hans Petter Selasky <hselasky at FreeBSD.org> ---
FreeBSD OSS use stereo mode by default, unless you set
"dev.pcm.<n>.play.vchanformat" and "dev.pcm.<n>.rec.vchanformat". If there is
more than 8 channels, then only bitperfect mode is supported.

Maybe the audioinfo could need an update in that regards. I think we support up
to 127 channels, limited by AFMT.

--HPS

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