[alsa-devel] [PATCH v2] ASoC: imx-wm8958: add imx-wm8958 machine driver

Mark Brown broonie at kernel.org
Wed Mar 2 02:34:39 CET 2016


On Tue, Mar 01, 2016 at 01:06:16AM -0800, Nicolin Chen wrote:

> I personally suggest you to use fsl-asoc-card. Since the Codec IC
> provides three DAIs. And in the schematics, you do have three DAI
> links. It sounds plausible to me that we might treat these three
> DAI links as three different cards. Then use different compatible
> names: "imx-audio-wm8958-aif1" and so on. And each one can also
> has ASRC back-end support.

No, that's really not going to work very well - having the same CODEC
with very tightly coupled clocking connected into three cards is just
going to be a mess, especially for the WM8958 where AIF3 is mostly just
a pinmux to the other two DAIs rather than something that could ever be
fully independent.
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