linux-kernel - Re: [PATCH v1 4/4] ASoC: dt-bindings: simple-card: create jack for aux

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Message-ID: <d5ae4755-26df-f4e7-b69a-83d9431bfbee@linaro.org>
Date:   Thu, 19 Jan 2023 12:18:07 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Astrid Rost <astrid.rost@...s.com>,
        Mark Brown <broonie@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>
Cc:     kernel@...s.com, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH v1 4/4] ASoC: dt-bindings: simple-card: create jack for
 aux_devs

On 18/01/2023 13:52, Astrid Rost wrote:
> Add simple-card,aux-jack-types:
> Array of snd_jack_type to create jack-input-event for jack devices in
> aux-devs. If the setting is 0, the supported type of the device is used.
> A device which has the functions set_jack and get_jack_supported_type
> counts as jack device.

How a device can have "set_jack"? Isn't this part of code? Are you sure
you describe here hardware, not Linux driver behavior?

> 
> Signed-off-by: Astrid Rost <astrid.rost@...s.com>
> ---
>  .../bindings/sound/simple-card.yaml           | 35 +++++++++++++++++++
>  1 file changed, 35 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/sound/simple-card.yaml b/Documentation/devicetree/bindings/sound/simple-card.yaml
> index ed19899bc94b..2635b1c04fc9 100644
> --- a/Documentation/devicetree/bindings/sound/simple-card.yaml
> +++ b/Documentation/devicetree/bindings/sound/simple-card.yaml
> @@ -199,6 +199,13 @@ properties:
>      maxItems: 1
>    simple-audio-card,mic-det-gpio:
>      maxItems: 1
> +  simple-audio-card,aux-jack-types:
> +    $ref: "/schemas/types.yaml#/definitions/uint32-array"

Drop quotes.

> +    description: |
> +      Array of snd_jack_type to create jack-input-event for jack
> +      devices in aux-devs. If the setting is 0, the supported
> +      type of the device is used. A device which has the functions
> +      set_jack and get_jack_supported_type counts as jack device.

Same problems.

Additionally, if this is a type of aux-dev, then maybe it should be just
added as argument to aux-dev?

>  
>  patternProperties:
>    "^simple-audio-card,cpu(@[0-9a-f]+)?$":
> @@ -498,3 +505,31 @@ examples:
>              };
>          };
>      };
> +#--------------------
> +# Add a headphone and a headset mic jack,
> +# which use an auxiliary jack detector e.g. via i2c.
> +# The events, which should be enabled are:
> +# SND_JACK_HEADPHONE = 1
> +# SND_JACK_MICROPHONE = 2
> +#--------------------

No new examples, integrate it into some existing one.

> +    sound {
> +        compatible = "simple-audio-card";
> +        simple-audio-card,widgets =
> +            "Headphone", "Headphone Jack",
> +            "Headset Mic", "Headset Mic Jack";
> +        simple-audio-card,routing =
> +            "Headphone Jack", "HPLEFT",
> +            "Headphone Jack", "HPRIGHT",
> +            "LEFTIN", "Headset Mic",
> +            "RIGHTIN", "Headset Mic";
> +        simple-audio-card,aux-devs = <&hp_jack>, <&hs_mic_jack>;
> +        simple-audio-card,aux-jack-types = <1 2>;
> +        simple-audio-card,cpu {
> +            sound-dai = <&ssi2>;
> +        };
> +        simple-audio-card,codec {
> +            sound-dai = <&codec>;
> +            clocks = <&clocks>;
> +        };
> +    };

Best regards,
Krzysztof