Have you looked at the output of
alsamixer?
is there a post dac volume control in that list?
I think that if it is not there, then it has not been implimented in alsa.
I do agree that the alsa documentation is pretty poor. On the other hand, to
expect detailed writeups for every sound card suppo
> > * each
> > time playback format changes (16/44 to 24/96 and back) the sound is
> > totally scrambled, but /proc/asound/card2/pcm0p/sub0/hw_params shows
> > the correct playback format. Stop/start playback solves the problem.
>
> This is a known bug, also most probably flaw in the CMEDIA chip,
Clemens Ladisch googlemail.com> writes:
>
> SakisX wrote:
> > Clemens Ladisch googlemail.com> writes:
> >> What is the output of
> >> "strace arecord -D hw:0 -f cd -f S24_3LE test.wav"?
> >
> > www.box.com/s/o2r34268ztflz7j0y50l
>
> That's funny. Please show the contents of /proc/asound/devic
SakisX wrote:
> Clemens Ladisch googlemail.com> writes:
>> What is the output of
>> "strace arecord -D hw:0 -f cd -f S24_3LE test.wav"?
>
> www.box.com/s/o2r34268ztflz7j0y50l
That's funny. Please show the contents of /proc/asound/devices
and the output of "ls -l /dev/snd/".
Regards,
Clemens
-
Clemens Ladisch googlemail.com> writes:
>What is the output of
> "strace arecord -D hw:0 -f cd -f S24_3LE test.wav"?
It's a very long output and I cant even split it to parts.I uploaded it at
www.box.com/s/o2r34268ztflz7j0y50l
Paul D. DeRocco wrote:
> ... But the analog output has a post-DAC volume control which I'd like to
> control from my synth app.
>
> Can anyone tell me how to do this?
Find out the name and the valid range of that mixer control, then
just execute:
system("amixer cset name='Master Playback Volume