[alsa-devel] [PATCH 0/3] ASoC: Enable a new IC master mode: bcm2835<=>IC<=>cs42xx8

Mark Brown broonie at kernel.org
Fri Mar 24 12:09:55 PDT 2017

On Wed, Mar 22, 2017 at 11:04:34PM +1100, Matt Flax wrote:
> On 22/03/17 20:43, Charles Keepax wrote:

> > Are we saying that what gets transmitted on the bus is neither valid
> > I2S or DSP mode data? But as you have your custom hardware block in
> > the middle it interprets this data correctly and converts it to a
> > regular bus format on the other side that goes to the CODEC?

> Yes, essentially there is translation between the two data word edge
> triggered ABP (the bcm2835's PCM block) and a Cirrus Logic TDM codec.

Could you please be concrete about what the two formats you're talking
about here are and how these differences are observable on the wire?  I
don't know what "two data word edge triggered ABP" means.
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