[alsa-devel] ASoC HDMI codec location

Mark Brown broonie at opensource.wolfsonmicro.com
Wed Feb 16 00:58:33 CET 2011

On Tue, Feb 15, 2011 at 12:29:59PM -0800, Stephen Warren wrote:

> I see that a Samsung chip has such a codec in drivers/video/sh_mobile_hdmi.c.

That's not Samsung, that's Renesas' SuperH.

> The equivalent for Tegra would be drivers/video/tegra/dc/hdmi.c. Note that
> this location doesn't yet exist upstream. I just wanted to confirm that this
> location makes sense to you, vs. implementing a codec in sound/soc/tegra/hdmi.c,
> and having that call functions exposed by the Tegra dc/hdmi.c driver?

Note that the SH code has code in *both* locations - there's an ASoC
driver that calls into the video driver as well under sound/soc/sh.

> Note that the SPDIF controller isn't involved in the Tegra Digital Audio
> Switch muxing/switching module at all.

Is the DMA shared?

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