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#1 2011-03-03 05:19:48

gryphon
Member
Registered: 2011-03-03
Posts: 1

No optical output with alsa after upgrade

After doing a system upgrade, my digital audio has stopped working. I can still get sound from my headphones, and my reciever does notice when i turn the IEC958 switch on and off in GNOME volume controll.

$ lsmod|grep '^snd' | column -t
snd_usb_audio          87191   0
snd_usbmidi_lib        18516   1   snd_usb_audio
snd_rawmidi            19525   1   snd_usbmidi_lib
snd_seq_dummy          1479    0
snd_seq_oss            29240   0
snd_seq_midi_event     5516    1   snd_seq_oss
snd_seq                50562   5   snd_seq_dummy,snd_seq_oss,snd_seq_midi_event
snd_seq_device         5281    4   snd_rawmidi,snd_seq_dummy,snd_seq_oss,snd_seq
snd_pcm_oss            39509   0
snd_mixer_oss          17730   1   snd_pcm_oss
snd_hda_codec_realtek  295589  1
snd_hda_intel          21837   6
snd_hda_codec          74609   2   snd_hda_codec_realtek,snd_hda_intel
snd_hwdep              6222    2   snd_usb_audio,snd_hda_codec
snd_pcm                72321   5   snd_usb_audio,snd_pcm_oss,snd_hda_intel,snd_hda_codec
snd_timer              19537   3   snd_seq,snd_pcm
snd                    58906   24  snd_usb_audio,snd_usbmidi_lib,snd_rawmidi,snd_seq_oss,snd_seq,snd_seq_device,snd_pcm_oss,snd_mixer_oss,snd_hda_codec_realtek,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_timer
snd_page_alloc         7361    2   snd_hda_intel,snd_pcm
ls -l /dev/snd
total 0
drwxr-xr-x  2 root root       60 Mar  2 23:55 by-id
drwxr-xr-x  2 root root       80 Mar  2 23:55 by-path
crw-rw----+ 1 root audio 116,  9 Mar  2 23:55 controlC0
crw-rw----+ 1 root audio 116, 12 Mar  2 23:55 controlC1
crw-rw----+ 1 root audio 116,  8 Mar  2 23:55 hwC0D2
crw-rw----+ 1 root audio 116,  7 Mar  2 23:55 pcmC0D0c
crw-rw----+ 1 root audio 116,  6 Mar  3 00:10 pcmC0D0p
crw-rw----+ 1 root audio 116,  3 Mar  2 23:55 pcmC0D2c
crw-rw----+ 1 root audio 116,  5 Mar  2 23:55 pcmC0D3c
crw-rw----+ 1 root audio 116,  4 Mar  2 23:55 pcmC0D3p
crw-rw----+ 1 root audio 116, 11 Mar  2 23:55 pcmC1D0c
crw-rw----+ 1 root audio 116, 10 Mar  2 23:55 seq
crw-rw----+ 1 root audio 116,  2 Mar  2 23:54 timer

I have tried going through the wiki but have had no luck. Thank you very much for any support

Last edited by gryphon (2011-03-03 05:20:39)

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#2 2011-03-09 07:59:21

Splex
Member
Registered: 2009-03-09
Posts: 33

Re: No optical output with alsa after upgrade

What card/chip? do you have a custom /etc/asound.conf or ~/.asoundrc?

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