[alsa-devel] [PATCH v3 00/14] Rework OMAP4+ HDMI audio support

[Mark Brown]

On Wed, Aug 13, 2014 at 03:51:54PM +0300, Jyri Sarha wrote:

> I guess then the least bad alternative would be cutting the cpu-dai driver
> away from drivers/video/fbdev/omap2/dss/hdmi_audio.c and placing it under
> sound/soc/omap and registering it from hdmi_audio.c the same way as
> hdmi-audio-codec and asoc-simple-card is now registered.

> There would be two devices for a single ip, but at least the ASoC side
> driver would receive its resources directly from the HDMI video driver with
> necessary tools to synchronize the access.

Just a MFD really.

> This approach would work for other HDMI audio situation too, where there
> would usually (for tda998x and SiI9022 at least) be a need to register an
> i2s codec driver associated with the HDMI encoder. It would probably be
> possible to make a single codec driver to work with multiple HDMI encoders
> if the API between the codec and endcoder drivers is designed that in mind.

> How does this sound?

This sounds like a way forward, I definitely think it's a good idea to
standardise the interfaces as much as we can.
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