Re: optical SPDIF output on Abit NF7 nforce2 main board.

[Takashi Iwai <tiwai@suse.de>]

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At Mon, 01 Sep 2003 21:13:02 +0200,
Carsten Koch wrote:
> 
> Takashi Iwai wrote:
> ...
> > ok, then apparently it looks like working correctly.
> 
> Look: yes, sound: no. ;-)
> 
> 
> > can you play mp3 on normal analog output correctly?
> 
> Yes. It looks like this:
> 
> vdr:~ #  head /proc/asound/card?/pcm?p/sub?/hw_params
> ==> /proc/asound/card0/pcm0p/sub0/hw_params <==
> access: RW_INTERLEAVED
> format: S16_LE
> subformat: STD
> channels: 2
> rate: 44100 (44100/1)
> period_size: 1024
> buffer_size: 8192
> tick_time: 10000
> 
> ==> /proc/asound/card0/pcm1p/sub0/hw_params <==
> closed
> 
> and it sounds OK.

looking at the nvidia's driver code, it seems that spdif on nforce
supports only 48k in fact.
i'll add the restriction on the driver side, then.
could you try the attached patch?


Takashi

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Index: alsa-kernel/pci/intel8x0.c
===================================================================
RCS file: /suse/tiwai/cvs/alsa/alsa-kernel/pci/intel8x0.c,v
retrieving revision 1.92
diff -u -r1.92 intel8x0.c
--- alsa-kernel/pci/intel8x0.c	12 Aug 2003 14:05:07 -0000	1.92
+++ alsa-kernel/pci/intel8x0.c	2 Sep 2003 13:20:34 -0000
@@ -1534,7 +1534,7 @@
 	{ NVD_PCMOUT, { AC97_PCM_FRONT_DAC_RATE, AC97_PCM_SURR_DAC_RATE, AC97_PCM_LFE_DAC_RATE }, AC97_RATES_FRONT_DAC },
 	{ NVD_PCMIN, { AC97_PCM_LR_ADC_RATE, 0, 0 }, AC97_RATES_ADC },
 	{ NVD_MIC, { AC97_PCM_MIC_ADC_RATE, 0, 0 }, AC97_RATES_MIC_ADC },
-	{ NVD_SPBAR, { AC97_SPDIF, AC97_PCM_FRONT_DAC_RATE, 0 }, AC97_RATES_SPDIF },
+	{ NVD_SPBAR, { AC97_SPDIF, AC97_PCM_FRONT_DAC_RATE, 0 }, -1 }, /* spdif is 48k only */
 };
 
 static struct _ac97_rate_regs ali_ac97_rate_regs[] __devinitdata = {