linux-kernel - Re: [PATCH 2/3] dt-bindings: sound: tegra: Update HDA resets

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Date:   Tue, 7 Dec 2021 09:18:21 +0100
From:   Thierry Reding <thierry.reding@...il.com>
To:     Sameer Pujar <spujar@...dia.com>
Cc:     tiwai@...e.com, broonie@...nel.org, lgirdwood@...il.com,
        robh+dt@...nel.org, perex@...ex.cz, jonathanh@...dia.com,
        digetx@...il.com, alsa-devel@...a-project.org,
        devicetree@...r.kernel.org, linux-tegra@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] dt-bindings: sound: tegra: Update HDA resets

On Tue, Dec 07, 2021 at 12:02:49PM +0530, Sameer Pujar wrote:
> Tegra194 HDA has only two resets unlike the previous generations of
> Tegra SoCs. Hence update the reset list accordingly.
> 
> Fixes: 2d8f8955fe02 ("dt-bindings: tegra: Convert HDA doc to json-schema")
> Signed-off-by: Sameer Pujar <spujar@...dia.com>
> ---
>  .../devicetree/bindings/sound/nvidia,tegra30-hda.yaml       | 13 +++++++++----
>  1 file changed, 9 insertions(+), 4 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/sound/nvidia,tegra30-hda.yaml b/Documentation/devicetree/bindings/sound/nvidia,tegra30-hda.yaml
> index b55775e..70dbdff5 100644
> --- a/Documentation/devicetree/bindings/sound/nvidia,tegra30-hda.yaml
> +++ b/Documentation/devicetree/bindings/sound/nvidia,tegra30-hda.yaml
> @@ -50,13 +50,18 @@ properties:
>        - const: hda2codec_2x
>  
>    resets:
> +    minItems: 2
>      maxItems: 3
>  
>    reset-names:
> -    items:
> -      - const: hda
> -      - const: hda2hdmi
> -      - const: hda2codec_2x
> +    oneOf:
> +      - items:
> +          - const: hda
> +          - const: hda2hdmi
> +          - const: hda2codec_2x
> +      - items:
> +          - const: hda
> +          - const: hda2hdmi

We could make this more specific using an if: conditional and match on
nvidia,tegra194-hda, but this would work as well, especially since I
presume that Tegra194's successors will also not have the hda2codec_2x
reset.

Acked-by: Thierry Reding <treding@...dia.com>

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