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audio - Unload snd_usb_audio modules - Unix & Linux Stack ...
https://unix.stackexchange.com/questions/617594/unload-snd-usb-audio-modules
Show activity on this post. I am trying to unload the snd_usb_audio kernel module in order to try some other module parameters (with modprobe ). This fails: # rmmod snd_usb_audio. With the following error: rmmod: ERROR: Module snd_usb_audio is in use.
Snd-usb-audio resume error. No sound after suspend ...
https://bbs.archlinux.org/viewtopic.php?id=273469
[root@XorS jastix]# rmmod snd_usb_audio rmmod: ERROR: Module snd_usb_audio is in use [root@XorS jastix]# rmmod -f snd_usb_audio. But after this the usb headset was lost for the system. At least it's not in pavucontrol, neither pacmd shows it. Though I got sound through analog speakers, which is already much better, than without reloading.
Re: USB sound device present but NOT visible in ‘alsamixer’
https://lists.debian.org/debian-user/2022/01/msg01251.html
It says "Module snd_usb_audio is in use". I tried with "-f" option as well. Still cannot unload. Then I tried to it again after "alsactl kill quit"; but still cannot unload. ... (HDA ATI HDMI at 0xfca60000 irq 102) alsa-lib main.c:1014:(snd_use_case_mgr_open) error: failed to import hw:0 use case configuration -6 Found hardware: "HDA-Intel ...
Gentoo Forums :: View topic - snd-usb-audio: probe of ...
https://forums.gentoo.org/viewtopic-p-6886404.html
Bus 002 Device 003: ID 046d:0990 Logitech, Inc. QuickCam Pro 9000 Bus 004 Device 002: ID 0d8c:000c C-Media Electronics, Inc. Audio Adapter
Matrix:Module-usb-audio - AlsaProject
https://www.alsa-project.org/wiki/Matrix:Module-usb-audio
modprobe snd-usb-audio ; modprobe snd-pcm-oss ; modprobe snd-mixer-oss ; modprobe snd-seq-oss Now adjust your soundcard's volume levels. All mixer channels are muted by default. You must use a native mixer program to unmute appropriate channels, for example alsamixer from the alsa-utils package. Note that some usb-audio devices do not have ...
Use USB Sound Card in Raspberry Pi : 5 Steps - …
https://www.instructables.com/Use-USB-Sound-Card-in-Raspberry-Pi/
The Raspberry Pi should detect the USB Sound Card and load the kernel module (device driver) automatically. However, this is not guaranteed. So I need to check. Open terminal: sudo tail -f /var/log/messages. Refer to screenshot. The lines are irrelevent because I have not connected the USB Sound Card to Raspberry Pi yet.
Guide to using M-Audio Audiophile USB with ALSA and …
https://www.kernel.org/doc/html/v5.14-rc6/sound/cards/audiophile-usb.html
In this case turn off the device, unprobe the snd-usb-audio module, then probe it again with correct device_setup parameter and then (and only then) turn on the device again. If you’ve correctly initialized the device in a valid mode and then want to switch to another mode (possibly with another sample-depth), please use also the following procedure:
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