On 10/09/2015 08:28 PM, Vinod Koul wrote:
Yes, this patch series attempts to add yet another HDMI driver to
ASoC. This codec appears as HDA codec over HDA link. Although
the codec reside in display we have a HDA link from audio block
to this codec. The communication to codec is over HDA link
Thanks to i915 component infrastructure, we do not need to worry
about keeping the codec on, this is done by i915 for us.
Based on discussion with Mark here at ELCE and other attempts by
various folks on HDMI, I wanted to show on list the stuff we have
done and discuss and try to see how we converge various attempts
The driver here only supports stereo and doesn't do multichannel
just yet, will add later once we converge here. The support for
using i915 component notification by David will be added later
on.
Question/Comments welcome...
Hello Vinod,
Is this driver supposed to be working for Bay Trail and Cherry Trail as
well? Right now we have an OEM product based on the Cherry Trail
platform, there is no analog audio codec on it, the only audio device on
the product is the HDMI audio (just like this one
http://mailman.alsa-project.org/pipermail/alsa-devel/2015-August/096979.html).
So could you please share some information about the support status for
Cherry Trail HDMI audio, e.g. is the driver developed by your team? Is
it still an out-of-tree driver right now? And do you plan to upstream it
under the hdac_hdmi.c framework?
Thanks,
Hui.
Subhransu S. Prusty (4):
ASoC: hdac-hdmi: Add hdmi driver
ASoC: hdac_hdmi: Add PM support for HDMI
ASoC: hdac_hdmi: Add hdac hdmi dai ops
ASoC: hdac_hdmi: Setup and start infoframe
sound/soc/codecs/Kconfig | 4 +
sound/soc/codecs/Makefile | 2 +
sound/soc/codecs/hdac_hdmi.c | 694 +++++++++++++++++++++++++++++++++++++++++++
3 files changed, 700 insertions(+)
create mode 100644 sound/soc/codecs/hdac_hdmi.c
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