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11.09.2008 at 04:41AM PST, ID: 23888817
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7.8

How do I get ALSA digital sound output in Linux?

Asked by jasonzx in Linux Programming, Linux Setup

I'm running MythBuntu and I'm having no success getting the optical audio to work.
I can verify the hardware is all fine because it works in XP. In linux, I can get analog out from the stereo headphone jack but the optical audio doesn't even show up as a device and the cable doesn't light up.
The motherboard is an ASUS M3N78-VM with VT1708b for the audio
kernel: 2.6.24-21-generic
ALSA version: Advanced Linux Sound Architecture Driver Version 1.0.18
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aplay -l:
**** List of PLAYBACK Hardware Devices ****
card 0: NVidia [HDA NVidia], device 0: VT1708B Analog [VT1708B Analog]
  Subdevices: 2/2
  Subdevice #0: subdevice #0
  Subdevice #1: subdevice #1
card 0: NVidia [HDA NVidia], device 3: NVIDIA HDMI [NVIDIA HDMI]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
 
lsmod:
Module                  Size  Used by
af_packet              23812  2 
ipv6                  267780  27 
powernow_k8            16704  1 
cpufreq_powersave       2688  0 
cpufreq_conservative     8712  0 
cpufreq_stats           7104  0 
cpufreq_userspace       5284  0 
cpufreq_ondemand        9740  1 
freq_table              5536  3 powernow_k8,cpufreq_stats,cpufreq_ondemand
video                  19856  0 
output                  4736  1 video
container               5632  0 
dock                   11280  0 
sbs                    15112  0 
sbshc                   7680  1 sbs
battery                14212  0 
nls_cp437               6656  2 
cifs                  242292  2 
iptable_filter          3840  0 
ip_tables              14820  1 iptable_filter
x_tables               16132  1 ip_tables
ac                      6916  0 
lp                     12324  0 
parport                37832  1 lp
nvidia               7106468  0 
agpgart                34760  1 nvidia
lirc_mceusb2           14980  0 
snd_hda_intel         419220  0 
lirc_dev               15732  1 lirc_mceusb2
i2c_core               24832  1 nvidia
wmi_acer                9644  0 
snd_pcm_oss            42656  0 
snd_mixer_oss          18048  1 snd_pcm_oss
snd_pcm                78852  2 snd_hda_intel,snd_pcm_oss
snd_page_alloc         12552  2 snd_hda_intel,snd_pcm
snd_hwdep              10628  1 snd_hda_intel
snd_seq_oss            35456  0 
snd_seq_midi            9504  0 
snd_rawmidi            25760  1 snd_seq_midi
snd_seq_midi_event      8576  2 snd_seq_oss,snd_seq_midi
snd_seq                54224  5 snd_seq_oss,snd_seq_midi,snd_seq_midi_event
snd_timer              24964  2 snd_pcm,snd_seq
snd_seq_device          9612  4 snd_seq_oss,snd_seq_midi,snd_rawmidi,snd_seq
snd                    59812  10 snd_hda_intel,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_hwdep,snd_seq_oss,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
soundcore               8800  1 snd
button                  9232  0 
k8temp                  6656  0 
shpchp                 34452  0 
pci_hotplug            30880  1 shpchp
evdev                  13056  3 
pcspkr                  4224  0 
ext3                  136840  1 
jbd                    48404  1 ext3
mbcache                 9600  1 ext3
ata_generic             8324  0 
sg                     36880  0 
sd_mod                 30720  3 
sr_mod                 17956  0 
cdrom                  37408  1 sr_mod
pata_amd               14212  0 
usbhid                 32128  0 
hid                    38784  1 usbhid
floppy                 59588  0 
ehci_hcd               37900  0 
ahci                   28548  2 
pata_acpi               8320  0 
forcedeth              51980  0 
ohci_hcd               26640  0 
libata                159344  4 ata_generic,pata_amd,ahci,pata_acpi
scsi_mod              151436  4 sg,sd_mod,sr_mod,libata
usbcore               146412  5 lirc_mceusb2,usbhid,ehci_hcd,ohci_hcd
thermal                16796  0 
processor              37384  2 powernow_k8,thermal
fan                     5636  0 
fbcon                  42912  0 
tileblit                3456  1 fbcon
font                    9472  1 fbcon
bitblit                 6784  1 fbcon
softcursor              3072  1 bitblit
fuse                   50708  1
[+][-]11.09.2008 at 12:59PM PST, ID: 22917690

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[+][-]11.09.2008 at 01:08PM PST, ID: 22917736

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[+][-]11.10.2008 at 02:37AM PST, ID: 22920352

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[+][-]11.10.2008 at 11:40AM PST, ID: 22924749

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[+][-]11.10.2008 at 12:39PM PST, ID: 22925323

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[+][-]11.11.2008 at 04:42AM PST, ID: 22929766

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[+][-]11.11.2008 at 12:48PM PST, ID: 22934142

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[+][-]11.11.2008 at 12:51PM PST, ID: 22934170

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[+][-]11.11.2008 at 04:57PM PST, ID: 22936017

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[+][-]11.11.2008 at 10:50PM PST, ID: 22937329

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About this solution

Zones: Linux Programming, Linux Setup
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Solution Provided By: duncan_roe
Participating Experts: 1
Solution Grade: B
 
 
 
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