On Friday 03 Jun 2011 21:10:29 meino.cra...@gmx.de wrote: > When i start alsamixer and select with the "soundcard"-selector > the audio device of my usb cam ... alsamixer crashes with: > > cannot load mixer controls: Invalid argument > > > ...still no sound via usb cam and it seems no chance to use alsamixer > with it...damn...this /had/ worked and I dont know what it kills... > > mylinux:/home/user>aplay -l > **** List of PLAYBACK Hardware Devices **** > card 0: SB [HDA ATI SB], device 0: VT2020 Analog [VT2020 Analog] > Subdevices: 2/2 > Subdevice #0: subdevice #0 > Subdevice #1: subdevice #1 > card 0: SB [HDA ATI SB], device 1: VT2020 Digital [VT2020 Digital] > Subdevices: 2/2 > Subdevice #0: subdevice #0 > Subdevice #1: subdevice #1
Your camera's sound card is not shown here (stating the obvious). Have you tried building it as a module and modprobe -v <driver> to see what messages you get? > mylinux:/home/user>arecord -l > **** List of CAPTURE Hardware Devices **** > card 0: SB [HDA ATI SB], device 0: VT2020 Analog [VT2020 Analog] > Subdevices: 2/2 > Subdevice #0: subdevice #0 > Subdevice #1: subdevice #1 > card 1: CameraB404271 [USB Camera-B4.04.27.1], device 0: USB Audio [USB > Audio] Subdevices: 1/1 > Subdevice #0: subdevice #0 [snip...] > !!Loaded ALSA modules > !!------------------- > > > I would suggest that you build alsa as modules at least for troubleshooting purposes. I had to do that in the past to get things working in a box, following the recommendation of the devs. HTH. -- Regards, Mick
signature.asc
Description: This is a digitally signed message part.
