[linux-audio-user] help needed with RME MADI card

John Check j4strngs at bitless.net
Tue Aug 3 15:51:21 EDT 2004


On Tuesday 03 August 2004 11:52 am, Ben wrote:
> I recently picked up an RME HDSP MADI card to test it as a playback
> source for a digital mixing console.  For testing purposes, I loaded it
> onto a VIA epia board (yes, you read that right, 600 MHz, baby!) and
> installed the recently released DeMuDi 1.2.  When DeMuDi loads, the
> first thing I do is modprobe snd-hdpsm.  Then I can start jackvia
> qjackqtl and it shows 64 record channels and 64 playback channels.
> Success!! kinda....
>
> Now I'm stuck.  I can't figure out how to change the mixer settings.
> I've studied all the info at the ALSA site and on Winfried Ritsch's
> site but I'm too much of a noob to know what it means.
>

Have you tried alsamixer? It's a command line tool, but it's got a curses type 
interface (IOW it's GUI)

> hdspmixer apparently does not support this card yet.  It says:
> 	Card 0 : RME HDSP MADI at 0xde000000, irq 10
> 	No Hammerfall DSP card found
> alsamixer seems to have no effect (?) I think the playback channels are
> not routed to the outputs.
> Winfried has some example apps that use the hwdep-interface to set
> mixer values but the .tgz file seems to be corrupt.  using tar -xvf or
> -xvf it reports the file is not in gzip format.
>
> Questions:
> How do I set up the card so that Jack can read/write all 64 inputs and
> outputs, with no attenuation in the card's mixer?

If I understand the question, you have to pass the number of channels to jackd 
when you fire it up.

> Does anybody have a valid hwdep-interface example for this card?  (I am
> trying to contact Winfried but I'm not sure I have a valid email
> address for him)
>
> Thanks for any help,
> Ben Loftis



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