At Sun, 24 Aug 2003 12:13:53 +1000,
Erik de Castro Lopo wrote:
>
> Hi all,
>
> Using version 0.9.6 of alsa-*.
>
> I have two ENS1371 based cards plugged into the one machine:
>
> [EMAIL PROTECTED]:~# cat /proc/asound/cards
> 0 [AudioPCI ]: ENS1371 - Ensoniq AudioPCI
> Ensoniq AudioPCI ENS1371 at 0xa400, irq 10
> 1 [AudioPCI_1 ]: ENS1371 - Ensoniq AudioPCI
> Ensoniq AudioPCI ENS1371 at 0x9400, irq 5
>
> I have also set up a /etc/asound.conf file containing aliases for the
> cards named "card0" and "card1".
>
> I have also run alsamixergui with "-c 0" and "-c 1" parameters to set up
> output volumes on the two cards (and the controls on the two alsamixergui
> instances behave independantly).
>
> However, when I playback a sound file using:
>
> aplay -D card0 a.wav
> aplay -D card1 a.wav
>
> Only card0 produces sound. I have also tried physically swapping the cards
> but only card0 produces sound. I have also tried the -v option to aplay to
> confirm that the output is going to device 0 and device 1.
if aplay -vv shows the correct configuration and VU meters, i'd
suspect it's a hardware issue. i.e. mixer mutes or physical
connection. to check the card's playback without physical connection,
you can record via loopback like the following procedure:
1. choose "Mix" as the capture source.
2. turn on "Capture" switch.
3. raise "Capture" volume.
4. adjust "PCM" and "Master" volumees and switches.
5. play a file and record at the same time.
6. check the recorded file
also, you can try to swap the card order,
options snd-ens1371 index=1,0
Takashi
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