Is there a better way to do digital volume tuning without loss of cmpatability , 
especially for OSS applications? In the Azalia spec, PCM volume/mute is optional so 
there will be codecs without volume controls.

Sincerely,
ChenLi Tien

-----Original Message-----
From:   Takashi Iwai [mailto:[EMAIL PROTECTED]
Sent:   2004/2/2 [EMAIL PROTECTED] 上午 06:19
To:     Jaroslav Kysela
Cc:     Davodet Olivier; [EMAIL PROTECTED]
Subject:        Re: [Alsa-devel] CMI973, patch and alsa release
At Mon, 2 Feb 2004 09:06:37 +0100 (CET),
Jaroslav wrote:

well, let me clarify more the problems.

- the patch copies the whole audio data with the software
  attenuation.  we don't want this in the kernel context.
  this should be the job in the user-space, pereferrably in alsa-lib.

- the patch introduces float calculation.
  it's not allowed at all in the kernel code.


the control of ac97 mic and line sharing is a good point.
the similar thing can be implemented more easily by the alsa-lib's
hook plugin, though.


Takashi


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