No sound with ALC650

[Ariff Abdullah]

On 15 Feb 2006 12:44:58 +0100
Thomas Gellekum <Thomas.Gellekum at gmx.de> wrote:
> Moin,
> 
> I'm having trouble with the following device:
> 
> pcm0: <nVidia nForce2> port 0xe400-0xe4ff,0xd000-0xd07f mem
> 0xe1080000-0xe1080fff irq 5 at device 6.0 on pci0 pcm0: <Avance
> Logic ALC650 AC97 Codec>
> 
> Recording works fine, playback doesn't work at all. I'm simply
> getting no sound out of any of the six channels. There are no error
> messages of any kind, sound seems to play in real time and vanish.
>
You probably want to give this a try (replace
sys/dev/sound/pcm/ac97.c):

  http://people.freebsd.org/~ariff/test/ac97.c

Somebody already verified that it doesn't work. Hopefully you're lucky
enough.


> The board is an ASUS A7N8X-E Deluxe, kernel is a current -current,
> snd_ich compiled in. There's another multimedia device on this
> board, which is not recognized by FreeBSD:
> 
> none6 at pci0:5:0: class=0x040100 card=0x0c111043 chip=0x006b10de
> rev=0xa2 hdr=0x00
>     vendor   = 'NVIDIA Corporation'
>     device   = 'nForce MCP-T? Audio Processing Unit (Dolby Digital)'
>     class    = multimedia
>     subclass = audio
> 
> Mixer settings, jftr:
> 
> Mixer vol      is currently set to 100:100
> Mixer pcm      is currently set to 100:100
> Mixer speaker  is currently set to  75:75
> Mixer line     is currently set to  45:45
> Mixer mic      is currently set to   0:0
> Mixer cd       is currently set to  75:75
> Mixer rec      is currently set to  45:45
> Mixer igain    is currently set to   0:0
> Mixer ogain    is currently set to  50:50
> Mixer line1    is currently set to  75:75
> Mixer phin     is currently set to   0:0
> Mixer phout    is currently set to   0:0
> Mixer video    is currently set to  75:75
> Recording source: mic
> 
> An older kernel (2005-12-28, IIRC) behaves the same.
> 
> Any hints are appreciated.
> 


--
Ariff Abdullah
FreeBSD
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