exynos-drm-next todo work.

[Mark Brown]

On Wed, Jun 19, 2013 at 01:48:15PM +0900, Inki Dae wrote:

> > Related to HDMI sound support in Alsa, I have posted a working RFC
> > "exynos-hdmi to CDF complaint display driver". It registers a separate
> > sound card by registering hdmi audio codec dai and cpu-dai, as you
> > mentioned. But there is a problem with this approach that I2S being the
> > single cpu dai for HDMI and Speaker sound card, only one card can
> > support playback at a time.

> > I would like to work on this to provide a more refined solution.

> Thanks. However, I think it's not good to use the CDF framework to interface
> between ALSA SoC DAI driver and DRM HDMI driver. The purpose of the CDF
> framework is to provide common interfaces to display bus drivers to Linux
> framebuffer and DRM KMS based display controller drivers as long as I know.
> So my opinion is to implement ALSA Soc DAI driver-it seems like possible to
> use as is-based on a new common framework that the other can also use it.

You guys really want to be discussing this on the ALSA list and CCing
the ASoC maintainers...  I do note that OMAP and SH both have HDMI
support in mainline, whatever they're doing seems like a good place to
start.
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