[alsa-devel] [RFC PATCH v2 0/5] snd-ice1712: Add Philips PSC724 Ultimate Edge

Takashi Iwai tiwai at suse.de
Wed Sep 19 17:28:21 CEST 2012

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.

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.)



> 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
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