I have an Abit NF7 nforce2 main board, which has an optical SPDIF output controlled by the on-board sound.
With nvida's "nvsound" driver, the optical output works.
With alsa, I have been unable to get any sound out of it so far. I tried the alsa-0.9.0.cvs20030217-23 alsa drivers that came with my SuSE 8.2 system, the release 0.9.6 drivers and last Friday's CVS.
lspci reports the device as:
00:06.0 Multimedia audio controller: nVidia Corporation nForce2 AC97 Audio Controler
(MCP) (rev a1)
Subsystem: ABIT Computer Corp.: Unknown device 1c02
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping-
SERR- FastB2B-
Status: Cap+ 66Mhz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort-
>SERR- <PERR-
Latency: 0 (500ns min, 1250ns max)
Interrupt: pin A routed to IRQ 5
Region 0: I/O ports at d800 [size=256]
Region 1: I/O ports at dc00 [size=128]
Region 2: Memory at ef001000 (32-bit, non-prefetchable) [size=4K]
Capabilities: [44] Power Management version 2
Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA
PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-Alsamixer says "Card: NVidia nForce2", "Chip: Realtek ALC650 rev 3" and offers these four IEC958 items: "Item: IEC958" (on/off), "Item: IEC958 Input Monitor" (on/off), "Item: IEC958 Playback AC97-SPSA" (3 level control), "Analog to IEC958 Output" (on/off).
I was expecting that "Item: IEC958" would turn the optical SPDIF output on/off, but the light is always on and the sound is always off, no matter how I set that switch.
I was also expecting that "Item: IEC958 Input Monitor" would route the SPDIF sound from my DVB card (whose output I have connected to the SPDIF input on the main board) to the optical SPDIF output when I set that switch to on, but again toggling that switch does nothing: the light is always on and the sound is always off.
Is there anything I overlooked or does SPDIF output simply not work with this driver?
Here is my lsmod output:
Module Size Used by Tainted: P dvb-ttpci 302512 7 evdev 4192 0 (unused) input 3264 0 [dvb-ttpci evdev] ves1820 3900 0 stv0299 7188 1 grundig_29504-491 3620 0 grundig_29504-401 3820 0 alps_tdlb7 4336 0 alps_tdmb7 4008 0 alps_bsrv2 3932 2 dvb-core 39832 43 [dvb-ttpci ves1820 stv0299 grundig_29504-491 grundig_29504-401 alps_tdlb7 alps_tdmb7 alps_bsrv2] videodev 6176 2 [dvb-ttpci] lirc_serial 7680 1 (autoclean) nvidia 1628576 11 (autoclean) nfsd 84144 4 (autoclean) ipv6 145108 -1 (autoclean) snd-intel8x0 21924 0 snd-pcm 74116 0 [snd-intel8x0] snd-timer 17724 0 [snd-pcm] snd-ac97-codec 44920 0 [snd-intel8x0] snd-page-alloc 7316 0 [snd-intel8x0 snd-pcm] snd-mpu401-uart 4192 0 [snd-intel8x0] snd-rawmidi 16096 0 [snd-mpu401-uart] snd-seq-device 4816 0 [snd-rawmidi] snd 40164 0 [snd-intel8x0 snd-pcm snd-timer snd-ac97-codec snd-mpu401-uart snd-rawmidi snd-seq-device] soundcore 3748 0 [snd] nvnet 26240 1 xfs 575738 4
Any ideas what else I could try?
Many thanks in advance for your help!
Carsten.
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