[PATCH 1/2] dt-bindings: Document STM32 I2S bindings

[Mark Brown]

On Mon, Apr 10, 2017 at 02:48:32PM -0500, Rob Herring wrote:
> On Thu, Apr 06, 2017 at 05:40:35PM +0200, olivier moysan wrote:

> > +Required properties:
> > +  - compatible: Must be "st,stm32h7-i2s"
> > +  - #sound-dai-cells: Must be 1. (one parameter)
> > +    This parameter allows to specify CPU DAI index in soundcard CPU dai link.
> > +	index 0: playback DAI
> > +	index 1: capture DAI
> > +	index 2: full duplex DAI

> Is this still needed for graph-card?

The graph card is blocked on your review...  I'm also not clear how
without something like this we'd be able to identify a specific DAI
within a device if we don't have a way of identifying them.
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