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Re: how to disable unused sound chip

Damon L. Chesser wrote:
On Tue, 2008-11-04 at 18:07 +0200, Juha Tuuna wrote:
Damon L. Chesser wrote:
How to I use udev (and hotplug?) to disable this unused ATI sound chip
and to select my onboard Nvidia sound chip?
Try /etc/modprobe.d/blacklist
Add the ATI module to the list, that should do it.


Yes, that worked.  Just to make a close loop, I am posting what I did

lsmod did not show any ati driver for anything, but did show
snd_ha_intel and since I know I am not running an intel sound chip and
the sound device is listed as ATI HA with lspci, I ran rmmod
snd_ha_intel and I had sound.
I added "blacklist snd_ha_intel" to the /etc/modprobe.d/blacklist and
rebooted.  It came up with sound, and my selected "sound device" for
gkrellm volume was still active (previously, gkrellm would not have any
volume controls after a reboot).

Another solution would be not to disable / blacklist it but to stop it from becoming the default sound device by putting a line at the bottom of /etc/modprobe.d/alsa-base like this

options snd-ha-intel index=-2

I have to do something similar to stop the microphone in my webcam from randomly becoming master, it has the advantage that you can still use the device when / if you want / need.

Good luck

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