[alsa-devel] [PATCH 2/2] dt-bindings: sound: sun4i-i2s: Document that the RX channel can be missing

[Rob Herring]

On Fri, May 24, 2019 at 7:58 AM Maxime Ripard <maxime.ripard at bootlin.com> wrote:
>
> The A83t and compatibles controllers don't have any reception capabilities
> on some instances of the controllers, even though it was never documented
> as such in the binding before.
>
> Therefore, on those controllers, we don't have the option to set an RX DMA
> channel.
>
> This was already done in the DTSI, but the binding itself was never
> updated. Let's add a special case in the schemas.
>
> Signed-off-by: Maxime Ripard <maxime.ripard at bootlin.com>
> ---
>  Documentation/devicetree/bindings/sound/allwinner,sun4i-a10-i2s.yaml | 52 ++++++++++++++++++++++++++++++++++++++++++----------
>  1 file changed, 42 insertions(+), 10 deletions(-)

Reviewed-by: Rob Herring <robh at kernel.org>