[alsa-devel] [PATCH] STAC92xx : add support for missing features

[Takashi Iwai]

At Tue, 28 Aug 2007 21:41:32 +0300,
Maxim Levitsky wrote:
> 
> > > About 3 (volume-knob), we'd need a bit more checks and tests.  Does
> > > the volume knob widget work always as a mater control regardless
> > > whetehr the real hardware component exists or not?  I.e. can we use it
> > > blindly?
> According to datasheet, it works, also driver already assumes it there, and sets it to maximum volume
> see hda_verb stac922x_core_init, hda_verb d965_core_init, hda_verb stac927x_core_init,hda_verb stac9205_core_init

Interesting.  So, writing to the volume knob widget actually works
just like a normal mixer amp?

> > > 
> > > Tobin, Matt, could you test these patches, especially patch 3, with
> > > your hardwares?  Anyone who has STAC92xx hardwares are welcome for
> > > testing it, too!
> > > 
> > > 
> > > Thanks,
> > > 
> > > Takashi
> > 
> 
> Hi, 
> 
> Thanks for review, I will fix all things you pointed out, but
> I am coding against latest linus' kernel tree, and snd_ctl_boolean_mono_info() isn't there, and thus I didn't use it, 
> I will download latest alsa tree, and compile against it
> 
> But I have a question: can I only complile snd-hda-intel from that tree, and leave kernel's sound core modules?

If you build from alsa-driver tree, then yes, only modules.

You can get use kernel.git perex/alsa.git mm branch for the latest
ALSA codes, too:
	http://git.kernel.org/?p=linux/kernel/git/perex/alsa.git;a=shortlog;h=mm


thanks,

Takashi