[alsa-devel] [RFC PATCH v2 0/5] snd-ice1712: Add Philips PSC724 Ultimate Edge
tiwai at suse.de
Wed Sep 19 19:58:15 CEST 2012
At Wed, 19 Sep 2012 19:03:14 +0200,
Ondrej Zary wrote:
> On Wednesday 19 September 2012 17:28:21 Takashi Iwai wrote:
> > At Tue, 18 Sep 2012 20:58:31 +0200,
> > Ondrej Zary wrote:
> > > Hello,
> > > this is second attempt to add Philips PSC724 Ultimate Edge sound card
> > > support to snd-ice1712 driver. Unlike other snd-ice1712 subdrivers, the
> > > codec code is splitted into separate modules and thus reusable by other
> > > ice1712 subdrivers.
> > Well, the problem is that most of ice17xx boards use only a part of
> > channels on codecs. Thus you don't want to expose controls for all
> > channels, too. Otherwise user will get confusing dead controls.
> The controls can be easily hidden by setting its name to NULL. It's even used
> in the psc724 subdriver.
> > If these new modules are supposed to be used by other ice1712/ice1724
> > sub drivers, they should provide some good binding mechanism, too.
> > (And that's one of the good reasons why ASoC has been nominated.)
> They're easy to use, you just need to provide wm87x6_write() function. I think
> that other subdrivers could be easily converted to use this (with hardware to
OK, but I'd like to have modules only when the code sharing happens.
Also, it'd be better to have different module names, indicating that
they are ice17xx-specific.
> > thanks,
> > Takashi
> > > Working: all analog outputs (front, rear, center+lfe, headphone) and
> > > inputs (front mic, rear mic, line, cd, aux), mixer, headphone jack
> > > detection, suspend/resume
> > >
> > > Currently untested: SPDIF
> > >
> > > Buggy: switching AGC mode in mixer causes alsamixer to crash - looks like
> > > it does not like notifications about control activating/deactivating
> > > _______________________________________________
> > > Alsa-devel mailing list
> > > Alsa-devel at alsa-project.org
> > > http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
More information about the Alsa-devel