Re: [PATCH] AudigyLS updates.

[Takashi Iwai <tiwai@suse.de>]

At Thu, 01 Jul 2004 13:34:17 +0100,
James Courtier-Dutton wrote:
> 
> >>6) Feedback into PLAYBACK from CAPTURE.
> > 
> > 
> > Isn't it 'what u hear'?  What's different from 'master capture'?
> 
> master capture is the renamed AC97 Master playback, but with the 
> audigyls, it only effects the recorded signal. So, for recording, we 
> have separate Line in, Mic volume controls, and then a master one 
> covering all of them. As one is only likely to want to record from one 
> source at a time, I could just remove the "AC97 Master capture" control, 
> and set it at 0dB.
> 
> "Feedback into PLAYBACK from CAPTURE" is a way to send any recorded 
> sounds, e.g. MIC,  directly to the speakers, without them reaching the CPU.
> 
> "what u hear" is a way to capture the sound exactly as it appears on the 
> speakers. i.e. the final mix of what your are currently playing combined 
> with any thing from "feedback into playback from capture".

Well then 'what u hear' suffices most of user's purpose.


> I think that a even better approach would be using a 
> "Speaker-arrangement" control.
> Options:
> "2.0"
> "4.0"
> "4.1"
> "5.0"
> "5.1"
> ...
> "SPDIF digital output."
> 
> So, if someone set it to "2.0", it would remove any mixer controls that 
> controlled the rear and center_lfe channels.
> I expect that will be best done in user space with the lisp .conf files 

It's a good idea.


> I attach a new patch for the current CVS.
> My CVS is delayed with respect to yours, so your latest MODULE... 
> changes are not included, so the patch might fail.

It's no problem, patch is ok unless it includes 'MODULE_*' in it.

> +	remove_ctl(card, "Master Mono Playback Switch");
> +	remove_ctl(card, "Master Mono Playback Volume");
> +	remove_ctl(card, "3D Control - Switch");
> +	remove_ctl(card, "3D Control Sigmatel - Depth");
(snip)

Could you make an array and call remove_ctl() in a loop instead of
each one?


Takashi


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