Hi Chris,

At Mon, 28 Jan 2002 17:22:01 +0100 (CET),
[EMAIL PROTECTED] wrote:
> 
> Hi Takashi Iwai.
> 
> I still have a problem with the SPDIF output of my soundcard.
> --------------------------------------------------------------------------------
> infos:
> I use ALSA from SUSE 7.3
> c-media: 8738
> model number 39
> vendor: Zoltrix (Nightingale Pro 6)
> dump of /proc/asound/card1/cmipci:
> C-Media PCI
> 
> 00: 02 00 00 00
> 04: 00 0c 00 00
> 08: 03 00 29 00
> 0c: 00 00 00 07
> 10: c0 00 00 40
> 14: 00 00 20 00
> 18: 00 00 00 00
> 1c: cf ad fa fd
> 20: 10 40 e0 00
> 24: 02 01 00 00
> 28: ff ff ff ff
> 2c: ff ff ff ff
> 30: 22 64 40 80
> 34: 00 00 00 00
> 38: 00 00 00 00
> 3c: 00 00 00 00
> 
> If you need more infos please ask.

I guess the registers above were not dumped during spdif playback.
Right?

> --------------------------------------------------------------------------------
> 
> When I want to play sound through the SPDIF there isn't a signal. No, the
> signal (red light) is, but there is no volume. Instead I hear sound on the
> analog speakers. Here is the log:
> 
> --------------------------------------------------------------------------------
> %> aplay -dhw:0,2 test.wav
> Aplay: version 0.5.10 by Jaroslav Kysela <[EMAIL PROTECTED]>
> Using soundcard 'C-Media PCI CM8738 (model 39) at 0xc400, irq 17'
> Playing WAVE 'test.wav' : Signed 16-bit Little Endian, Rate 44100 Hz, Stereo
> --------------------------------------------------------------------------------

The syntax of aplay is different between ALSA 0.5.x and 0.9.0.
For 0.5.x, use -d option to specify the device number, i.e.

        % aplay -d2 test.wav


> Only when I enable the SPDIF "DAC to OUT" I get a very loud distorted sound.
 
Please turn off "DAC to Out" for the time being.
It's a mixture of analog streams and looks not suitable for the recent
chips.

At first please try to turn only "SPDIF Output Switch" on and other
SPDIF-related switches off.  If still not work, please try to turn on
both  "SPDIF Output Switch" and "SPDIF Out To DAC" (not "DAC to
Out").


> p.s. Does SUSE realease RPM updates for alsa or do I have to reinstall alsa
> after by hand?

Basically there has no big changes in the 0.5.x serie since SuSE 7.3
was released.  So you can keep it as long as it works :)


ciao,

Takashi

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