[alsa-devel] Multistreaming Playback using Front Panel Headphone with realtek codec

Takashi Iwai tiwai at suse.de
Fri May 6 07:28:24 CEST 2011


At Fri, 6 May 2011 11:30:16 +0800,
Raymond Yau wrote:
> 
> 2011/5/5 Takashi Iwai <tiwai at suse.de>
> 
> > At Wed, 4 May 2011 23:42:24 +0800,
> > Raymond Yau wrote:
> > >
> > > Request for testers to test the patch
> > >
> > > Multistreaming allows you to listen to one audio source through the back
> > > panel speakers and a second audio source through front panel headphones
> > or
> > > speakers.
> > >
> > > Hardware requirement
> > > 1) 10 channels realtek codec (e.g. alc892) which already work with
> > > model=auto
> > > 2) Headphone at front panel and Line out at rear panel
> > >
> > > "hw:0,0" is used for the rear panel audio jack
> > > "hw:0,2" is used for the front panel headphone when "Independent HP" is
> > > switched ON
> >
> > I'd name it differently, e.g. "Headphone Stream Mode" taking "Slave" and
> > "Independent", or such.  An enum with "ON" and "OFF" is no sensible choice.
> >
> >
> > Takashi
> >
> 
> Use "Independent HP" just because patch_via.c already used it so it is
> better to use a standard name for all hda codecs

Yeah, I know.  But this name is confusing, so better to change in
patch_via.c as well.


Takashi


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