Re: Inverted front speakers on sb live

[Wiebe Cazemier <halfgaar@gmx.net>]

On Tuesday 11 July 2006 13:26, Takashi Iwai wrote:

> At Tue, 11 Jul 2006 13:21:12 +0200,
> Wiebe Cazemier wrote:
>> 
>> On Tuesday 11 July 2006 12:49, Wiebe Cazemier wrote:
>> 
>> > I don't have ld10k1.
>> > 
>> > These are all the files in /usr/bin that alsa-tools provide:
>> > 
>> > /usr/bin/ac3dec
>> > /usr/bin/as10k1
>> > /usr/bin/cspctl
>> > /usr/bin/echomixer
>> > /usr/bin/envy24control
>> > /usr/bin/extract_ac3
>> > /usr/bin/hdsploader
>> > /usr/bin/mixartloader
>> > /usr/bin/rmedigicontrol
>> > /usr/bin/sbiload
>> > /usr/bin/sscape_ctl
>> > /usr/bin/us428control
>> > /usr/bin/usx2yloader
>> > /usr/bin/vxloader
>> > 
>> > Hmm, this is strange. Alsa-tools 1.0.11 I installed in Gentoo doesn't have
>> > ld10k1, but the tar file of 1.0.10 does have it. I wonder why it's not
>> > installed in Gentoo. At least I have something to go on now. Thanks.
>> 
>> OK, this is proving to be difficult. When you start the patch server
>> (ld10k1), the DSP is cleared (at least mostly) and whatever initialisations
>> alsa did, like setting up the mixer, are gone. There is an init_live script
>> in the alsa-tools package, but I'm not sure if that sets it up like the
>> driver itself does. What's also curious, is that the effects contained in
>> the alsa-tools package are almost the same as the OSS EMU driver, except for
>> inv.asm, which solves the inversion problem.
>> 
>> Because the driver does it's own initialisation (DSP configuration and
>> routing and such), shouldn't it also take care of the inversion problem?
>> It's kind of strange that this problem is not addressed anymore in Alsa,
>> whereas it was in the OSS driver.
> 
> Yes, it'd be better to include it in the driver code, IMO.
> Which chip model is affected by this problem?

Can I assume that by the questions you've asked, this issue is being addressed?
Is there an issue I can monitor on the issue tracker? I did find an old one:

https://bugtrack.alsa-project.org/alsa-bug/view.php?id=1286

But I believe it's description is wrong as in it states the rears are inverted.
The OSS EMU docs said the fronts were.



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