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Message-ID: <2efe0393-11ce-448d-81a9-eb2383bc1e4b@kernel.org>
Date: Mon, 6 May 2024 08:28:59 +0200
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Subject: Re: [PATCH 1/3] ASoC: dt-bindings: samsung,midas-audio: Add
 GPIO-based headset jack detection
To: Artur Weber <aweber.kernel@gmail.com>,
 Sylwester Nawrocki <s.nawrocki@samsung.com>,
 Krzysztof Kozlowski <krzk+dt@kernel.org>
Cc: Liam Girdwood <lgirdwood@gmail.com>, Mark Brown <broonie@kernel.org>,
 Rob Herring <robh@kernel.org>, Conor Dooley <conor+dt@kernel.org>,
 Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.com>,
 Alim Akhtar <alim.akhtar@samsung.com>, alsa-devel@alsa-project.org,
 linux-sound@vger.kernel.org, devicetree@vger.kernel.org,
 linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
 linux-samsung-soc@vger.kernel.org, ~postmarketos/upstreaming@lists.sr.ht
References: <20240503-midas-wm1811-gpio-jack-v1-0-e8cddbd67cbf@gmail.com>
 <20240503-midas-wm1811-gpio-jack-v1-1-e8cddbd67cbf@gmail.com>
From: Krzysztof Kozlowski <krzk@kernel.org>
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In-Reply-To: <20240503-midas-wm1811-gpio-jack-v1-1-e8cddbd67cbf@gmail.com>
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 7bit

On 03/05/2024 20:55, Artur Weber wrote:
> Some Samsung devices that share the midas-audio driver use a GPIO-based
> approach to headset jack detection, as opposed to using the built-in
> jack detection provided by the wm8994 driver.
> 
> Add DT configuration values that allow for describing these setups.
> 
> Signed-off-by: Artur Weber <aweber.kernel@gmail.com>
> ---
>  .../bindings/sound/samsung,midas-audio.yaml        | 30 ++++++++++++++++++++++
>  1 file changed, 30 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/sound/samsung,midas-audio.yaml b/Documentation/devicetree/bindings/sound/samsung,midas-audio.yaml
> index 6ec80f529d84..9f521131f2b3 100644
> --- a/Documentation/devicetree/bindings/sound/samsung,midas-audio.yaml
> +++ b/Documentation/devicetree/bindings/sound/samsung,midas-audio.yaml
> @@ -61,6 +61,36 @@ properties:
>      maxItems: 1
>      description: GPIO pin for line out selection
>  
> +  headset-detect-gpios:
> +    maxItems: 1
> +    description: GPIO for detection of headset insertion
> +
> +  headset-key-gpios:
> +    maxItems: 1
> +    description: GPIO for detection of headset key press
> +
> +  io-channels:
> +    maxItems: 1
> +    description: IO channel to read micbias voltage for headset detection
> +
> +  io-channel-names:
> +    const: headset-detect
> +
> +  headset-4pole-threshold-microvolt:

You need vendor prefix for this and next property.

> +    minItems: 2
> +    maxItems: 2
> +    description: |

Do not need '|' unless you need to preserve formatting.


Best regards,
Krzysztof