[alsa-devel] [PATCH 3/5] ASoC: es7134: update DT binding with new compatible and supplies

[Mark Brown]

On Fri, Jun 29, 2018 at 05:09:22PM +0200, Jerome Brunet wrote:
> Update the documentation to add support for the es7154 and
> optional power supplies phandles.

> +Optional properties:
> +- VDD-supply: regulator phandle for the VDD supply
> +- AVDD-supply: regulator phandle for the AVDD supply

Unless the device is able to work with a power supply missing (which
doesn't seem entirely credible) supply properties should never be
optional.
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