Re: nforce2 (snd_intel8x0) channels scrolling

[James Courtier-Dutton <James@superbug.demon.co.uk>]

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Vladimir I. Umnov wrote:
> Hw: a7n8x deluxe 2.0 (nforce2-c1 + MCP-T)
> Sw: 2.6.0-test8, alsa-lib from cvs
> lspci:
> 00:05.0 Multimedia audio controller: nVidia Corporation: Unknown device
> 006b (rev a2)        Subsystem: Asustek Computer, Inc.: Unknown device
> 0c11        Flags: bus master, 66Mhz, fast devsel, latency 0, IRQ 5
>         Memory at d7000000 (32-bit, non-prefetchable) [size=512K]
>         Capabilities: [44] Power Management version 2
> 
> 00:06.0 Multimedia audio controller: nVidia Corporation: Unknown device
> 006a (rev a1)        Subsystem: Asustek Computer, Inc.: Unknown device
> 8095        Flags: bus master, 66Mhz, fast devsel, latency 0, IRQ 11
>         I/O ports at e400 [size=256]
>         I/O ports at d000 [size=128]
>         Memory at d7087000 (32-bit, non-prefetchable) [size=4K]
>         Capabilities: [44] Power Management version 2
> 
> Mplayer and xine used for testing in 6channels mode.
> Channels mapping stays wrong after:
> 1) snd_pcm_drop() called (seeking and quit);
> 2) after long time of playing in 6channels mode, even without x-run.
> 
> p.s. My sblive works very well now, but my friends doesn't have sblive
> and they want working 6channels audio under linux on nforce2.
> 
> p.p.s. I may help with testing or finding a bug, but I need help. I new
> to alsa-driver and can't understand how it works, and can't find how
> snd_pcm_drop() implemented in i810 module.
> 
> 
Here is a simple speaker test program.
I nicely tests different speaker layout modes.

Read the readme.txt file that is with it on how to use it.
If you still get the problem with this simple program, it is certainly a 
bug in alsa.

See attached file.

Cheers
James


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