Re: (USB) webcam microphone does not work

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Le Tue, 8 Apr 2008 21:28:08 +0200,Malte Gell <malte.gell@xxxxxx> a écrit :
> On Dienstag, 8. April 2008, Dominique Michel wrote:> > > What is your alsa configuration file? Can you post it here. It is> > typically something like /etc/modules.d/asla> > You talk about the kernel module configuration for ALSA? This is what I > found:> > /etc/modprobe.d/sound (openSUSE 10.3), content:> > options snd-emu10k1 enable=1 index=0> # _+Pw.mTanvDDnb_0:CT4832 SBLive! Value> alias snd-card-0 snd-emu10k1> > Ok, I see the webcam mic is not listed, so, do I need an additional > entry for snd-card-1?> > Below I can give you the output for lsmod | grep snd if it may help to > analyze the situation. And thanx for helping!> > snd_pcm_oss            54656  0> snd_mixer_oss          19712  1 snd_pcm_oss> snd_seq_midi           11776  0> snd_emu10k1_synth      10560  0> snd_emux_synth         40832  1 snd_emu10k1_synth> snd_seq_virmidi         9216  1 snd_emux_synth> snd_seq_midi_event      9664  2 snd_seq_midi,snd_seq_virmidi> snd_seq_midi_emul       9088  1 snd_emux_synth> snd_seq                58864  5 > snd_seq_midi,snd_emux_synth,snd_seq_virmidi,snd_seq_midi_event,snd_seq_midi_emul> snd_emu10k1           146656  2 snd_emu10k1_synth> firmware_class         11968  1 snd_emu10k1> snd_usb_audio          86528  1> snd_ac97_codec        102884  1 snd_emu10k1> ac97_bus                4288  1 snd_ac97_codec> snd_pcm                90052  4 > snd_pcm_oss,snd_emu10k1,snd_usb_audio,snd_ac97_codec> snd_timer              26948  3 snd_seq,snd_emu10k1,snd_pcm> snd_page_alloc         12872  2 snd_emu10k1,snd_pcm> snd_util_mem            7232  2 snd_emux_synth,snd_emu10k1> snd_usb_lib            19264  1 snd_usb_audio> snd_rawmidi            28672  4 > snd_seq_midi,snd_seq_virmidi,snd_emu10k1,snd_usb_lib> snd_seq_device         10764  6 > snd_seq_midi,snd_emu10k1_synth,snd_emux_synth,snd_seq,snd_emu10k1,snd_rawmidi> snd_hwdep              11908  3 snd_emux_synth,snd_emu10k1,snd_usb_audio> snd                    61508  22 > snd_pcm_oss,snd_mixer_oss,snd_seq_midi,snd_emu10k1_synth,snd_emux_synth,snd_seq_virmidi,snd_seq_midi_emul,snd_seq,snd_emu10k1,snd_usb_audio,snd_ac97_codec,snd_pcm,snd_timer,snd_util_mem,snd_usb_lib,snd_rawmidi,snd_seq_device,snd_hwdep> soundcore               9888  1 snd> usbcore               134148  9 > snd_usb_audio,usbhid,snd_usb_lib,uvcvideo,usblp,ehci_hcd,uhci_hcd,ohci_hcd> 
snd_usb_audio and snd_usb_lib are loaded, so the webcam's mic must work. Maybethat it is a firmware problem.
Otherwise, you have only the emu10k1 card in /etc/modprobe.d/sound. It can begood to try to add the usb card. Mine look like:
# ALSA portionalias char-major-116 snd# OSS/Free portionalias char-major-14 soundcore##  ALSA portionalias snd-card-0 snd-emu10k1options snd-emu10k1 index=0alias snd-card-1 snd-usb-audiooptions snd-usb-audio index=1##  OSS/Free portionalias sound-slot-0 snd-card-0alias sound-slot-1 snd-card-1# OSS/Free portion - card #1alias sound-service-0-0 snd-mixer-ossalias sound-service-0-1 snd-seq-ossalias sound-service-0-3 snd-pcm-ossalias sound-service-0-8 snd-seq-ossalias sound-service-0-12 snd-pcm-oss##  OSS/Free portion - card #2alias sound-service-1-0 snd-mixer-ossalias sound-service-1-3 snd-pcm-ossalias sound-service-1-12 snd-pcm-oss## Some alliasesalias /dev/mixer snd-mixer-ossalias /dev/dsp snd-pcm-ossalias /dev/midi snd-seq-oss# Set this to the correct number of cards.options snd cards_limit=2
And run update-modules or what is appropriated on suse in order toupdate /etc/modules.conf.
Be aware that index begin to 0 when cards_limits is the real number of cards(begin to 1 for 1 card).
Cheers,Dominique
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