Hello all,
My new PC is here with the latest HW and as usuall problems are here as well.
Problem: I am not able to get AC3 on the digital out when watching DVDs.
The idea is use external decoder for surround sound. Coaxial_digital_out from PC is connected to Coax input in home theater receiver. Connection is checked ( it was working for a couple of years with my previous setup). MB is ASUS N4L-VM:ICH7 + Realtek ALC882. ALSA support is built using kernel modules. There are no errors during startup or modules reload. Analog_out works fine. I can watch DVDs using xine with audio sent to analog_out ( default xine config STEREO 2.0 ). When I change option "SPEAKER_SETUP" to "PASS_THROUGH" I get "Audio output unavailable. Device is busy. ()". Mplayer is also not able to use spdif/iec958. This way it was configured on my old PC ( AC97 codec ). I tried to use different module options with no success.
Anybody made "PASS_THROUGH" working on ICH7+ALC882?
br, qwert.
PS:This printout was taken when using ALSA modules provided by the kernel 2.6.17. Yesterday I installed latest ALSA driver 1.0.13 and the problem still exists. Strange thing is that now "aplay -l" shows that my digital_out is device 1.
Code:
# lspci
Code:
00:1b.0 Audio device: Intel Corporation 82801G (ICH7 Family) High Definition Audio Controller (rev 02)
# lsmod
Module Size Used by
snd_pcm_oss 29408 0
snd_mixer_oss 13504 1 snd_pcm_oss
snd_hda_intel 13012 1
snd_hda_codec 122304 1 snd_hda_intel
snd_pcm 57092 3 snd_pcm_oss,snd_hda_intel,snd_hda_codec
snd_timer 16324 1 snd_pcm
snd 38500 8 snd_pcm_oss,snd_mixer_oss,snd_hda_intel,snd_hda_codec,snd_pcm,snd_timer
soundcore 6752 1 snd
snd_page_alloc 7176 2 snd_hda_intel,snd_pcm
# uname -r
Code:
2.6.17-gentoo-r8
# cat /proc/asound/cards
0 [Intel ]: HDA-Intel - HDA Intel
HDA Intel at 0xfebfc000 irq 16
# aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: ALC882 Analog [ALC882 Analog]
Subdevices: 0/1
Subdevice #0: subdevice #0
card 0: Intel [HDA Intel], device 2: ALC882 Digital [ALC882 Digital]
Subdevices: 1/1
Subdevice #0: subdevice #0
# cat /proc/asound/card0/codec#0 |grep Codec
Code:
Codec: Realtek ALC882
# cat /proc/asound/version
Code:
Advanced Linux Sound Architecture Driver Version 1.0.11rc4 (Wed Mar 22
10:27:24 2006 UTC).
# cat /etc/modules.d/alsa
# ALSA portion
alias char-major-116 snd
alias snd-card-0 snd-hda-intel
# module options should go here
# OSS/Free portion
alias char-major-14 soundcore
alias sound-slot-0 snd-card-0
# card #1
alias sound-service-0-0 snd-mixer-oss
alias sound-service-0-1 snd-seq-oss
alias sound-service-0-3 snd-pcm-oss
alias sound-service-0-8 snd-seq-oss
alias sound-service-0-12 snd-pcm-oss
#
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