[linux-audio-user] No such device using ALSA drivers

Hi, I'm trying to use mplayer's ac3 passthrough option, with the ALSA drivers, but I get the following error: alsa-init: requested format: 48000 Hz, 2 channels, AC3 alsa-init: soundcard set to iec958:AES0=0x2,AES1=0x82,AES2=0x0,AES3=0x2 ALSA lib pcm_hw.c:866:(snd_pcm_hw_open) open /dev/snd/pcmC0D3p failed: No such device alsa-init: playback open error: No such device if I do an ll on the /dev/snd/pcmC0D3p the permissions, etc look fine: - ll /dev/snd/pcmC0D3p crw-rw-rw- 1 root root 116, 19 Dec 26 17:54 /dev/snd/pcmC0D3p When I try to cat the file, it gives me the same error, though. Does anyone have any ideas? Regards, Reinier.