linux-kernel - Re: [PATCH 6/6] ARM: dts: samsung: exynos4212-tab3: Drop dummy mic bias regulators

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Message-ID: <ebe3853e-aa69-417c-ad0d-efe58a0dd1b9@kernel.org>
Date: Mon, 22 Jul 2024 09:56:52 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Artur Weber <aweber.kernel@...il.com>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Alim Akhtar <alim.akhtar@...sung.com>
Cc: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-sound@...r.kernel.org, ~postmarketos/upstreaming@...ts.sr.ht
Subject: Re: [PATCH 6/6] ARM: dts: samsung: exynos4212-tab3: Drop dummy mic
 bias regulators

On 16/07/2024 21:36, Artur Weber wrote:
> Add the samsung,tab3-audio compatible that makes mic bias regulators
> non-required, and drop the dummy main/sub mic bias regulators that
> don't exist in hardware.
> 
> Signed-off-by: Artur Weber <aweber.kernel@...il.com>
> ---
>  arch/arm/boot/dts/samsung/exynos4212-tab3.dtsi | 20 ++------------------
>  1 file changed, 2 insertions(+), 18 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/samsung/exynos4212-tab3.dtsi b/arch/arm/boot/dts/samsung/exynos4212-tab3.dtsi
> index 2f39f3c0661e..a140f86d399b 100644
> --- a/arch/arm/boot/dts/samsung/exynos4212-tab3.dtsi
> +++ b/arch/arm/boot/dts/samsung/exynos4212-tab3.dtsi
> @@ -286,20 +286,6 @@ display_3v3_supply: voltage-regulator-3 {
>  		enable-active-high;
>  	};
>  
> -	mic_bias_reg: voltage-regulator-4 {
> -		compatible = "regulator-fixed";
> -		regulator-name = "MICBIAS_LDO_2.8V";
> -		regulator-min-microvolt = <2800000>;
> -		regulator-max-microvolt = <2800000>;
> -	};
> -
> -	submic_bias_reg: voltage-regulator-5 {
> -		compatible = "regulator-fixed";
> -		regulator-name = "SUB_MICBIAS_LDO_2.8V";
> -		regulator-min-microvolt = <2800000>;
> -		regulator-max-microvolt = <2800000>;
> -	};
> -
>  	earmic_bias_reg: voltage-regulator-6 {

This should be voltage-regulator-4.

>  		compatible = "regulator-fixed";
>  		regulator-name = "EAR_MICBIAS_LDO_2.8V";
> @@ -310,14 +296,12 @@ earmic_bias_reg: voltage-regulator-6 {
>  	};
>  
>  	sound: sound {
> -		compatible = "samsung,midas-audio";
> +		compatible = "samsung,tab3-audio", "samsung,midas-audio";
>  		model = "TAB3";
> -		mic-bias-supply = <&mic_bias_reg>;
> -		submic-bias-supply = <&submic_bias_reg>;
> -		headset-mic-bias-supply = <&earmic_bias_reg>;
>  

You just added this line. Organize patches or code in a way that does
not move it within one patchset.


Best regards,
Krzysztof