| I have an ASUS M4A78T-E mobo running Kubuntu Jaunty 9.04 with a
custom 2.6.28.9 kernel. I am getting sound out the Line Out/Speaker Out jacks, but no sound through the Toslink S/PDIF Out jack. This mobo has integrated 7.1 channel HD Audio using Via VT1708S chip, plus HDMI out. I think S/PDIF out is by the VT1708S and HDMI is by the integrated Radeon HD3300 GPU ????. I do not see S/PDIF out in the aplay -L ouput below, and no S/PDIF (iec958) slider appears in the alsamixer panel. I have the impression I have to do something to enable iec958, but I don't know what that is. In any case, my question is what do I have to do to enable S/PDIF Out? Some (I hope) relevant command outputs below ... Thanks! $ aplay -L default:CARD=SB HDA ATI SB, VT1708S Analog Default Audio Device front:CARD=SB,DEV=0 HDA ATI SB, VT1708S Analog Front speakers surround40:CARD=SB,DEV=0 HDA ATI SB, VT1708S Analog 4.0 Surround output to Front and Rear speakers surround41:CARD=SB,DEV=0 HDA ATI SB, VT1708S Analog 4.1 Surround output to Front, Rear and Subwoofer speakers surround50:CARD=SB,DEV=0 HDA ATI SB, VT1708S Analog 5.0 Surround output to Front, Center and Rear speakers surround51:CARD=SB,DEV=0 HDA ATI SB, VT1708S Analog 5.1 Surround output to Front, Center, Rear and Subwoofer speakers surround71:CARD=SB,DEV=0 HDA ATI SB, VT1708S Analog 7.1 Surround output to Front, Center, Side, Rear and Woofer speakers null Discard all samples (playback) or generate zero samples (capture) hdmi:CARD=HDMI HDA ATI HDMI, ATI HDMI HDMI Audio Output $ lspci -v 00:14.2 Audio device: ATI Technologies Inc SBx00 Azalia (Intel HDA) Subsystem: Device 8357:1043 Flags: bus master, slow devsel, latency 64, IRQ 16 Memory at fbbf4000 (64-bit, non-prefetchable) [size=16K] Capabilities: <access denied> Kernel driver in use: HDA Intel Kernel modules: snd-hda-intel 01:05.1 Audio device: ATI Technologies Inc RS780 Azalia controller Subsystem: ATI Technologies Inc RS780 Azalia controller Flags: bus master, fast devsel, latency 0, IRQ 19 Memory at fbdfc000 (32-bit, non-prefetchable) [size=16K] Capabilities: <access denied> Kernel driver in use: HDA Intel Kernel modules: snd-hda-intel $ lsmod | grep snd snd_seq_dummy 11012 0 snd_seq_oss 38016 0 snd_hda_intel 433332 4 snd_seq_midi 14464 0 snd_rawmidi 29568 1 snd_seq_midi snd_seq_midi_event 15360 2 snd_seq_oss,snd_seq_midi snd_pcm_oss 46080 0 snd_mixer_oss 22656 1 snd_pcm_oss snd_seq 57136 6 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_mid i_event snd_pcm 83076 2 snd_hda_intel,snd_pcm_oss snd_seq_device 15244 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi ,snd_seq snd_timer 29320 2 snd_seq,snd_pcm snd 62500 17 snd_seq_oss,snd_hda_intel,snd_rawmidi,snd_pcm_oss, snd_mixer_oss,snd_seq,snd_pcm,snd_seq_device,snd_t imer soundcore 15456 1 snd snd_page_alloc 17160 2 snd_hda_intel,snd_pcm |
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