Hi,
I am running a mythtv box based on Mandriva 2007 on a AMD 3200xp (Dual
core) on an AM2 chipset. I am attempting to get surround sound audio out to my
stereo
via an optical s/pidf cable.
With some help from kirberich && crimsum I adjusted the model= line in my
modprobe.conf
and applied the patch from
http://hg-mirror.alsa-project.org/alsa-kernel?cmd=changeset;node=e51177a60747522a60bc1599aa5b2db22d4770a4;style=gitweb
Unfortunately, I still am unable to get surround sound to work. The way we
were testing this is
with "speaker-test -Dplug:iec958 -c6" (note: iec958 and spdif are the same for
this motherboard).
I am getting sound from my left and right speakers, but nothing
from anything else.
So any more troubleshooting help would be greatly appreciated.
Nasa
Here comes the system info:
uname -a
Linux mythtv 2.6.17-5mdv #1 SMP Wed Sep 13 14:32:31 EDT 2006 i686 AMD
Athlon(tm) 64 X2 Dual Core Processor 3800+ GNU/Linux
ALSA version 1.0.13
/sbin/lsmod|grep '^snd'
snd_seq_dummy 3716 0
snd_seq_oss 33152 0
snd_seq_midi_event 7072 1 snd_seq_oss
snd_seq 49488 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi_event
snd_seq_device 7212 3 snd_seq_dummy,snd_seq_oss,snd_seq
snd_pcm_oss 40576 0
snd_mixer_oss 16096 1 snd_pcm_oss
snd_hda_intel 16440 0
snd_hda_codec 167072 1 snd_hda_intel
snd_pcm 70116 3 snd_pcm_oss,snd_hda_intel,snd_hda_codec
snd_timer 19620 2 snd_seq,snd_pcm
snd_page_alloc 8712 2 snd_hda_intel,snd_pcm
snd 47972 10
snd_seq_dummy,snd_seq_oss,snd_seq,snd_seq_device,snd_pcm_oss,snd_mixer_oss,snd_hda_intel
aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: NVidia [HDA NVidia], device 0: ALC883 Analog [ALC883 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: NVidia [HDA NVidia], device 1: ALC883 Digital [ALC883 Digital]
Subdevices: 1/1
Subdevice #0: subdevice #0
scanpci:
...
pci bus 0x0000 cardnum 0x06 function 0x01: vendor 0x10de device 0x0371
nVidia Corporation MCP55 High Definition Audio
Simple mixer control 'Headphone',0
Capabilities: pswitch
Playback channels: Front Left - Front Right
Mono:
Front Left: Playback [on]
Front Right: Playback [on]
Simple mixer control 'PCM',0
Capabilities: pvolume
Playback channels: Front Left - Front Right
Limits: Playback 0 - 255
Mono:
Front Left: Playback 255 [100%] [0.00dB]
Front Right: Playback 255 [100%] [0.00dB]
Simple mixer control 'Front',0
Capabilities: pvolume pswitch
Playback channels: Front Left - Front Right
Limits: Playback 0 - 31
Mono:
Front Left: Playback 25 [81%] [-9.00dB] [on]
Front Right: Playback 25 [81%] [-9.00dB] [on]
Simple mixer control 'Front Mic',0
Capabilities: pvolume pswitch
Playback channels: Front Left - Front Right
Limits: Playback 0 - 31
Mono:
Front Left: Playback 25 [81%] [3.00dB] [on]
Front Right: Playback 25 [81%] [3.00dB] [on]
Simple mixer control 'Surround',0
Capabilities: pvolume pswitch
Playback channels: Front Left - Front Right
Limits: Playback 0 - 31
Mono:
Front Left: Playback 25 [81%] [-9.00dB] [on]
Front Right: Playback 25 [81%] [-9.00dB] [on]
Simple mixer control 'Center',0
Capabilities: pvolume pvolume-joined pswitch pswitch-joined
Playback channels: Mono
Limits: Playback 0 - 31
Mono: Playback 25 [81%] [-9.00dB] [on]
Simple mixer control 'LFE',0
Capabilities: pvolume pvolume-joined pswitch pswitch-joined
Playback channels: Mono
Limits: Playback 0 - 31
Mono: Playback 25 [81%] [-9.00dB] [on]
Simple mixer control 'Line',0
Capabilities: pvolume pswitch
Playback channels: Front Left - Front Right
Limits: Playback 0 - 31
Mono:
Front Left: Playback 25 [81%] [3.00dB] [on]
Front Right: Playback 25 [81%] [3.00dB] [on]
Simple mixer control 'CD',0
Capabilities: pvolume pswitch
Playback channels: Front Left - Front Right
Limits: Playback 0 - 31
Mono:
Front Left: Playback 25 [81%] [3.00dB] [on]
Front Right: Playback 25 [81%] [3.00dB] [on]
Simple mixer control 'Mic',0
Capabilities: pvolume pswitch
Playback channels: Front Left - Front Right
Limits: Playback 0 - 31
Mono:
Front Left: Playback 0 [0%] [-34.50dB] [off]
Front Right: Playback 0 [0%] [-34.50dB] [off]
Simple mixer control 'IEC958',0
Capabilities: pswitch pswitch-joined
Playback channels: Mono
Mono: Playback [on]
Simple mixer control 'Capture',0
Capabilities: cvolume cswitch
Capture channels: Front Left - Front Right
Limits: Capture 0 - 31
Front Left: Capture 0 [0%] [-12.00dB] [on]
Front Right: Capture 0 [0%] [-12.00dB] [on]
Simple mixer control 'Capture',1
Capabilities: cvolume cswitch
Capture channels: Front Left - Front Right
Limits: Capture 0 - 31
Front Left: Capture 0 [0%] [-12.00dB] [on]
Front Right: Capture 0 [0%] [-12.00dB] [on]
Simple mixer control 'Input Source',0
Capabilities: enum
Items: 'Mic' 'Front Mic' 'Line' 'CD'
Item0: 'Line'
Simple mixer control 'Input Source',1
Capabilities: enum
Items: 'Mic' 'Front Mic' 'Line' 'CD'
Item0: 'Line'
/etc/modprobe.conf
alias sound-slot-0 snd-hda-intel
options snd-hda-intel model=6stack-dig
install scsi_hostadapter /sbin/modprobe sata_nv; /bin/true
remove snd-intel8x0 /sbin/modprobe -r snd-pcm-oss; /sbin/modprobe --first-time
-r --ignore-remove snd-intel8x0
install snd-intel8x0 /sbin/modprobe --first-time --ignore-install snd-intel8x0
&& { /sbin/modprobe snd-pcm-oss; /bin/true; }
install usb-interface /sbin/modprobe ohci-hcd; /sbin/modprobe ehci-hcd;
/bin/true
alias ieee1394-controller ohci1394
alias eth0 forcedeth
alias ath0 ath_pci
alias eth1 forcedeth
alias eth2 eth1394
remove snd-hda-intel /sbin/modprobe -r snd-pcm-oss; /sbin/modprobe --first-time
-r --ignore-remove snd-hda-intel
install snd-hda-intel /sbin/modprobe --first-time --ignore-install
snd-hda-intel && { /sbin/modprobe snd-pcm-oss; /bin/true; }
Motherboard:
MSI K9N platinum
http://www.newegg.com/Product/ShowImage.asp?Image=13%2D130%2D049%2D02%2Ejpg%2C13%2D130%2D049%2D03%2Ejpg%2C13%2D130%2D049%2D04%2Ejpg%2C13%2D130%2D049%2D05%2Ejpg%2C13%2D130%2D049%2D06%2Ejpg&CurImage=13%2D130%2D049%2D03%2Ejpg&Description=MSI+K9N+Platinum+Socket+AM2+NVIDIA+nForce+570+Ultra+MCP+ATX+AMD+Motherboard+%2D+Retail
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