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hello,

On Aug 9, 2007, at 06:01, Markus W Kilbinger wrote:

> After upgrading the whole -current kernel and userland on my powerbook
> g4 titanium today I can no longer hear any awacs sound on this laptop!
> Awacs sound was working fine with older -current snapshots of about
> March 2007. Some facts about the machine:

>   awacs0 at obio0 offset 0x14000 Screamer: irq 24,9,10
>   awacs0: awacs0: codec status reg 00403100
>   speaker
>   ext_volume 6 6
>   speaker_volume 6 6
>   loopthrough_volume 0 0
>   audio0 at awacs0: full duplex

Hmm, I wonder if it needs loopthrough > 0.

> If I try to change 'monitor.output=headphones' it doesn't work:
>
>   awacs_set_port dev = 3, type = 2
>   awacs0: switching to speaker
>
> .. and sticks to 'monitor.output=speaker'.

Plug something into the headphone output, it should switch 
automatically.
Please run 'ofctl -p' and mail me the output.

> Changing e. g. 'monitor_gain=32' doesn't work and sticks to
>
>   monitor_gain=0

awacs has no gain control.

> All audio outputting programs I tried (mplayer, mpg123, ogg123) seem
> to run fine and show normal/successfull audio data output production,
> but I can't hear anything.

Looks like the wrong channel(s) are muted.

> Is this a known problem/bug?

Not as far as I know.

have fun
Michael
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