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Date:      Thu, 18 Apr 2002 11:32:44 -0500 (CDT)
From:      John Utz <john@utzweb.net>
To:        Jean-Mark Dupoux <jmdupoux@lineone.net>
Cc:        questions@FreeBSD.ORG, <multimedia@FreeBSD.ORG>
Subject:   Re: Kernel config parameters for soundcard - 4.4 release
Message-ID:  <Pine.LNX.4.44.0204181131001.12819-100000@jupiter.linuxengine.net>
In-Reply-To: <3CBED7A5.2E42D328@lineone.net>

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why are you using snd instead of pcm?

snd is pretty deprecated....

i think you will get immediately better results using sbc ( the sb bridge 
driver for pcm ) and pcm

man pcm and man sbc can be your new best friends!



On Thu, 18 Apr 2002, Jean-Mark Dupoux wrote:

> Im having  problems with an option for soundcard  support to put in a
> kernel config file. To begin with I added the following lines into the
> config file:
> 
> device snd
> device sb0 at isa? port 0x220 irq 5 drq 0 flags 0x11
> device sbmidi0 at isa? port 0x330 irq 9
> device opl0 at isa? port 0x388
> device joy0 at isa? port 0x200
> 
> The kernel compiled properly and successfully loaded the soundblaster
> pro 3.1  driver. But I still got  no sound out of the card, using cat
> /filename > /dev/audio or > /dev/dsp  and got the same no  sound 
> result  using play /filename
> 
> when I checked  cat /dev/sndstat it showed that no mixer was loaded,
> which seemed like a fair explanation for the silence, so I dug  deeper
> in man sb(4). This turned up an extra option for the Sound Galaxy pro
> card that I am using which should specifically add mixer support - the
> SG card  apparently has a slightly different  mixer from a basic  SB pro
> which  includes bass/treble adjustment, and I hoped the problem would be
> solved.
> So I went ahead and added the suggestion from man sb
> 
> options __SGNXPRO__
> 
> into the config file, right after the sound devices  section, but  now
> the  kernel doesnt compile any more. After running
> ln -s /usr/local/kernels/MYKERNELFILE 
> I then enter as usual: 
> /usr/sbin/config MYKERNELFILE
> 
> but that's  as far as the process gets. The output on the screen is:
> Error
> Unknown option  __SGNXPRO__ (line xxx)
> 
> I've  checked and double-checked the relevant  documentation and im sure
> I havnt made a typo or syntax error.
> What's more that specific  option seems  to have been present going back
> quite  a few releases, so I'm truly puzzled why config  wont  accept it
> 
> Has anyone else  got experience with this kind of card, or with 
> options  parameters for soundcards generally, or should I be thinking
> about reporting this to bugs ?
> 
> thanks in advance
> Jean-Mark Dupoux
> jmdupoux_@_lineone.net
> 
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> 

-- 

John L. Utz III
john@utzweb.net

Idiocy is the Impulse Function in the Convolution of Life


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