[alsa-devel] [PATCH 0/6] HDMI: Implement pcm-per-pin
tiwai at suse.de
Mon Jun 6 16:21:05 CEST 2011
At Fri, 03 Jun 2011 18:11:40 +0200,
Takashi Iwai wrote:
> At Wed, 1 Jun 2011 11:14:15 -0600,
> Stephen Warren wrote:
> > This patchset implements a PCM-per-pin-widget model for all HDMI codecs that
> > use the generic codec support. For most existing codecs, there is 1 pin and
> > 1 converter per codec, so this change should have no functional impact. For
> > some codecs (e.g. GeForce 520, Intel Ibex Peak) there are fewer converters
> > than pins, and the default routing is for all pins to be mux'd from a single
> > codec, so this patch allows:
> > a) Multiple PCMs to be used at once (1 per converter). Previously, only 1
> > PCM was created due to the default muxing.
> > b) A direct mapping from PCM device to pin, and hence to ELD data and
> > connected monitor. This should enable simpler/better decisions re: which
> > audio formats are supported for that PCM, since only 1 ELD has to be
> > considered (previously, I think the ELDs other than from the first pin
> > were simply ignored)
> > The very first change in the series is actually somewhat unrelated, but I
> > noticed it while working on this, and I believe it's a correct change.
> Thanks for the patches. Through a quick glance, all look OK to me.
> I'm going to try to review more and apply the patches in the next week.
OK, now applied all patches to topic/hda branch and merged to master
and for-next. Let's see what happens.
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