Subject: Re: Audio problems...
To: Antti Kantee <>
From: Jukka Marin <>
List: netbsd-users
Date: 04/30/2003 16:27:13
On Sun, Feb 23, 2003 at 02:58:50AM +0200, Antti Kantee wrote:
> On Fri Feb 21 2003 at 12:17:19 -0500, Adam K Kirchhoff wrote:
> > > > 2) Are there any soundcards that NetBSD suppots hardware mixing on?
> > >
> > > Mixing of different sources?  Yes.
> > 
> > Can you give me an example?  The emuxki driver only allows one app at a
> > time to access /dev/audio...  The yds driver only allows one app at a time
> > to access /dev/audio.  Cards which use the eap driver don't support
> > hardware mixing at all (though you're right that the quality for playback
> > and recording is quite good).
> eap-class cards have two physical DACs, and if you define options
> EAP_USE_BOTH_DACS in your kernel config, the driver will attach two
> audio interfaces which can be used for playback simultaneously.

I tried "options EAP_USE_BOTH_DACS" for my kernel: no extra audio
appeared.  Then I grepped *.c and *.h in src/sys and found nothing.
Is this option only present in -current (I'm running 1.6.1) or do
I have the wrong option name?