Re: [PATCH] AudigyLS updates.

[Takashi Iwai <tiwai@suse.de>]

At Fri, 25 Jun 2004 22:37:54 +0100,
James Courtier-Dutton wrote:
> 
> AudigyLS now supports Digital(AC3)/Analog outputs. 5.1 Surround 
> PLAYBACK. MIC and LINE IN CAPTURE.
> 
> The MIC and LINE IN use the AC97 chip.
> 
> The AC97 uses the PLAYBACK(Not CAPTURE) controls in alsamixer for 
> controlling CAPTURE. Then, instead of sending that output to the 
> speakers, it sends it to the Philips 1361T ADC. This results in high 
> quality ADC conversion.
> E.g. For LINE IN capture, set LINE IN playback volume and unmute it.
> Set MASTER volume.
> There is a new control for "CAPTURE feedback into PLAYBACK". If one does 
> not want any feedback, leave it at it's minimum.
> 
> Once I have figured out all the controls in the AC97 and what they do 
> for the AudigyLS, I will rename them so that they make sense to the user.
> 
> Please see attached patch files against the current CVS.

Thanks, applied to cvs now.


> 2) Add a CAPUTRE source switch for switch between "MIC", "Line in", 
> "SPDIF in", "TAD in", "AUX in" and "What u hear". Currently, one cannot 
> switch to capture "SPDIF in" or "What u hear", but all the other inputs 
> are possible via switches in the AC97.

This will need better control on user-space.
ac97 mixer will provide the generic capture source only...


Takashi


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