[alsa-devel] [PATCH] ASoC: Document DAI signal polarity

[Mark Brown]

On Wed, Sep 30, 2015 at 12:08:20PM -0700, Anatol Pomozov wrote:

> To clarify, you propose following definition of normal FSYNC polarity:
>  - for I2S/left/right justified - frame starts with falling FSYNC edge
>  - for DSP A/B - frame starts with rising edge of FSYNC edge (plus offset)

Yes.

>  - for AC97 my guess it is the same as DSP - frame starts with rising
> FSYNC edge.

For AC'97 we don't support any kind of non-standard framing and would
push back strongly against anyone who wants it but I guess yes.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 473 bytes
Desc: Digital signature
URL: <http://mailman.alsa-project.org/pipermail/alsa-devel/attachments/20150930/f71e5bd7/attachment-0001.sig>