Hi there
I'm currently building a mythtv box on an ASUS M2NPV-VM motherboard
using the onboard hda-intel sound.
To get the sound to work at all I had to add module options
snd-hda-intel position_fix=1 model=3stack.
This works fine for playback, but I can't capture anything. I have tried
changing the capture option in alsamixer to CD In (what my TV card feeds
into), Line in (using an external line in source for testing), and
Microphone (using a microphone).
Using arecord on all of these inputs results in a file with a faint
hiss. Exactly the same result is heard from mythtv.
If I unmute the channels in playback I can hear the inputs no problem,
but I need them for capture.
Any suggestions? I never had any problems on my other board which had an
intel8x0. System info follows:
$ uname -r
2.6.15-chw-2
lsmod | grep "snd"
snd_pcm_oss 40096 0
snd_mixer_oss 17792 1 snd_pcm_oss
snd_hda_intel 17428 0
snd_hda_codec 138800 1 snd_hda_intel
snd_pcm 77700 3 snd_pcm_oss,snd_hda_intel,snd_hda_codec
snd_timer 22660 1 snd_pcm
snd 51136 6
snd_pcm_oss,snd_mixer_oss,snd_hda_intel,snd_hda_codec,snd_pcm,snd_timer
soundcore 9824 1 snd
snd_page_alloc 10504 2 snd_hda_intel,snd_pcm
cat /etc/modutils/sound
alias snd-card-0 snd-hda-intel
alias sound-slot-0 snd-hda-intel
options snd-hda-intel position_fix=1 model=3stack
cat /proc/asound/*
cat: /proc/asound/NVidia: Is a directory
cat: /proc/asound/card0: Is a directory
0 [NVidia ]: HDA-Intel - HDA NVidia
HDA NVidia at 0xfe024000 irq 20
0: [ 0] : control
16: [ 0- 0]: digital audio playback
17: [ 0- 1]: digital audio playback
24: [ 0- 0]: digital audio capture
33: : timer
0 snd_hda_intel
cat: /proc/asound/oss: Is a directory
00-01: AD198x Digital : AD198x Digital : playback 1
00-00: AD198x Analog : AD198x Analog : playback 1 : capture 1
cat: /proc/asound/seq: Is a directory
G0: system timer : 1000.000us (10000000 ticks)
P0-0-0: PCM playback 0-0-0 : SLAVE
P0-0-1: PCM capture 0-0-1 : SLAVE
P0-1-0: PCM playback 0-1-0 : SLAVE
Advanced Linux Sound Architecture Driver Version 1.0.11.
Compiled on Jul 23 2006 for kernel 2.6.15-chw-2 (SMP).
cat /proc/cpuinfo
processor : 0
vendor_id : AuthenticAMD
cpu family : 15
model : 79
model name : AMD Sempron(tm) Processor 2800+
stepping : 2
cpu MHz : 1603.715
cache size : 128 KB
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 1
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt
lm 3dnowext 3dnow pni cx16 lahf_lm
bogomips : 3210.21
Thanks
Ross
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