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Detect new sound card
http://forum.linhes.org/viewtopic.php?f=2&t=18959
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Author:  chunter2 [ Tue Sep 16, 2008 11:41 pm ]
Post subject:  Detect new sound card

I just swapped out an old sound card for a newer one. The reason for the swap is to try digital out. How do I get Knoppmyth to detect my new card? I know when I swap capture cards the setup will detect them and rerun mythtv-setup but I'm not sure how I get the proper drivers loaded for the new sound card. I know I could just to a backup and reinstall Knoppmyth but I'm hoping for an easier solution.

Thanks

Author:  manicmike [ Wed Sep 17, 2008 2:57 am ]
Post subject:  Re: Detect new sound card

chunter2 wrote:
I just swapped out an old sound card for a newer one. The reason for the swap is to try digital out. How do I get Knoppmyth to detect my new card? I know when I swap capture cards the setup will detect them and rerun mythtv-setup but I'm not sure how I get the proper drivers loaded for the new sound card. I know I could just to a backup and reinstall Knoppmyth but I'm hoping for an easier solution.

Thanks


If it's a supported card, you should just be able to turn it off, plug the card in and boot. You may also need to run (as root) "twk_audio --implement digital" to adjust the myth settings and turn on the optical out's light if you didn't previoiusly have a digital card.

Mike

Author:  chunter2 [ Wed Sep 17, 2008 8:20 am ]
Post subject:  Re: Detect new sound card

manicmike wrote:
If it's a supported card, you should just be able to turn it off, plug the card in and boot.


It's a Sound Blaster Live Value. I turned off the computer, removed the old card and plugged in the new one into the same PCI slot and rebooted. Now I don't have sound out of the analog jack. I was going to start with analog and make sure that was working before trying digital. Is there a command I can run to make sure it's been detected properly by linux?

Author:  tjc [ Wed Sep 17, 2008 6:02 pm ]
Post subject: 

This looks relevant - http://knoppmyth.net/phpBB2/viewtopic.php?t=18681

Author:  chunter2 [ Thu Sep 18, 2008 8:49 am ]
Post subject: 

tjc wrote:

The following was all done remotely so I haven't had the chance to actually check to see if I'm getting sound. I'll do that tonight.

Code:
lspci | grep audio

Code:
00:0c.0 Multimedia audio controller: Creative Labs SB Live! EMU10k1 (rev 08)


Code:
aplay -l

Code:
**** List of PLAYBACK Hardware Devices ****
card 0: Live [SBLive! Value [CT4832]], device 0: emu10k1 [ADC Capture/Standard PCM Playback]
  Subdevices: 32/32
  Subdevice #0: subdevice #0

Removed Subdevice line 1 to 31 above to save space
Code:
card 0: Live [SBLive! Value [CT4832]], device 2: emu10k1 efx [Multichannel Capture/PT Playback]
  Subdevices: 8/8
  Subdevice #0: subdevice #0

Removed Subdevice 1 to 7 above to save space
Code:
card 0: Live [SBLive! Value [CT4832]], device 3: emu10k1 [Multichannel Playback]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

Author:  chunter2 [ Sat Sep 20, 2008 9:22 am ]
Post subject: 

My sound (analog) is now working. I tried a bunch of different things but I'm assuming alsaconf did the trick. Now I'm off to play with digital out. Thanks

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