[LAU] Hoontech DSP24 with DSP C-Port 2000: how do I use the line in/out of the pci card in JACK?

David Kastrup dak at gnu.org
Thu Oct 5 10:53:26 UTC 2017

Ralf Mardorf <ralf.mardorf-ZCLZIpdjs0kJGwgDXS7ZQA at public.gmane.org>

> On Wed, 4 Oct 2017 21:47:52 -1000, david wrote:
>>On 10/04/2017 08:21 PM, Ralf Mardorf wrote:  
>>> On Wed, 4 Oct 2017 16:32:00 -0500, Jan Depner wrote:    
>>>> blacklist snd_hda_intel
>>>> because that caused all sorts of grief if I left it active.    
>>> Hi,
>>> that's hard to believe. What do you mean by "left it active"? Could
>>> you please give a few examples? What happens?
>>> Disabling the onboard audio device by the BIOS settings is a good
>>> idea, if it's anyway unneeded, but this shouldn't necessarily be
>>> required, to improve something, let alone that removing the module
>>> shouldn't make a difference.    
>>Don't know about the original poster's situation, but disabling the 
>>onboard audio on my laptop via BIOS meant that Debian came up with no 
>>audio at all. Blacklisting the module worked better.
>>As far as by "leaving it active", perhaps he means his system
>>adamantly insists on making the on-board audio the default audio
>>device for everything? My desktop system has onboard HDMI audio. Since
>>it's connected to an HDMI monitor, the system would make the HDMI
>>audio the default device. Not useful since the monitor has no
>>speakers ...  
> same here, simply ensure that the device can't become hw:0

If your desired sound card is, say, hw:DSP24, then can't you just do

export ALSA_CARD=DSP24

and have programs use it?

David Kastrup

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