[alsa-devel] HDMI with more than 2ch ?

Xavier Bestel xavier.bestel at free.fr
Mon Jan 24 10:22:40 CET 2011

On Mon, 2011-01-24 at 10:16 +0100, Xavier Bestel wrote:
> Hi,
> I'm using HDMI output on an HD 2600, using KMS from kernel 2.6.37:
> http://www.alsa-project.org/db/?f=b3f67a0890f9878b7b3f345578e24eda0aaa59ac
> The problem is that only 2ch are supported (not 1, not 3 or more). I
> tested with speaker-test, it only works with -c 2.

Just in case:
[root at awak:~]$ speaker-test -Dhw:1,3 -c6 -twav

speaker-test 1.0.23

Playback device is hw:1,3
Stream parameters are 48000Hz, S16_LE, 6 channels
WAV file(s)
Channels count (6) not available for playbacks: Argument invalide
Setting of hwparams failed: Argument invalide

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