Re: Digital Mixer Control for Envy24 chipsets

[Takashi Iwai <tiwai@suse.de>]

At Wed, 05 Jan 2005 14:07:44 +0100,
Dirk Jagdmann wrote:
> 
> Hello developers,
> 
> I own a Delta1010 (ice1712) and got seriously confused last weekend with 
> the patchbay in envy24control. Currently envy24control shows the 
> possibility to route the digital mixer to every possible hardware output 
> (of course always in stereo pairs). But at least on the Delta1010 it is 
> only possible to output the Digital Mixer to HW1/2 or SPDIF1/2. Now I 
> have read the Envy24 Spec at: 
> ftp://ftp.alsa-project.org/pub/datasheets/icensemble/envy24.pdf
> on page 71/4-39 section 4.5.5 : "The output destination of this mixer 
> can be the consumer AC97 coded, an external DAC at PSDOUT[0] or SPDOUT 
> or both simultaneously, as well as return to host on slots 11 and 12 of 
> DMA Channel11."
> 
> Now I interpret this sentence that not only on my Delta1010 the Digital 
> Mixer is indeed limited to the first two Hardware Channels and the SPDIF 
>   channels. Now I'd like to know if this is correct or if there are 
> other hardwares which behave differently?

Yes, you're correct.

> And btw I have made a small patch to envy24control which will only show 
> the Digital Mixer checkboxes in the patchbay of the allowed channels 
> which I have attached.

Thanks, applied.


BTW, please give the proper summary, description and signed-off-by
line together with the patch at next time, so that your credit will be
kept properly in the changelog.


Takashi


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