Re: C-Media 8378 revision 37 & OPL3 midi

[Patrick Shirkey <pshirkey@boosthardware.com>]

Sander van Leeuwen wrote:
> Hi,
> 
> I have two cmedia cards; a revision 37 & 39. Everything
> works well on the rev 39 card, but OPL3 midi is silent
> on the rev37.
> OPL3 initialization succeeds and there are no clear signs
> of any problems. My first guess was that this revision
> may have a difference (bug) with regards to the FM
> volume. However, testing different mute & volume settings 
> shows no improvement.
> All the IO registers related to FM appear to be working as
> specified in the CMedia docs.
> 
> Is this a know problem of the ALSA driver, a hardware bug or 
> even a defective OPL3 part in this particular revision?
> 

Can you let us know what you have done to get the midi i/o working? 
Preferably with debugging output. MIDI in ALSA is still a bit of a 
blackart so you may not have correctly setup everything yet.

Also have a look at the LAU guide (see below) and the quicktoots for 
more info on playing MIDI through ALSA.


-- 
Patrick Shirkey - Boost Hardware Ltd.
For the discerning hardware connoisseur
Http://www.boosthardware.com
Http://www.boosthardware.com/LAU/guide/
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