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Mon, 20 Jun 2022 23:55:03 -0400 (EDT) From: Samuel Holland To: Chen-Yu Tsai , Jernej Skrabec , Liam Girdwood , Mark Brown Subject: [PATCH v2 3/3] arm64: dts: allwinner: pinephone: Enable internal HMIC bias Date: Mon, 20 Jun 2022 22:54:52 -0500 Message-Id: <20220621035452.60272-4-samuel@sholland.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220621035452.60272-1-samuel@sholland.org> References: <20220621035452.60272-1-samuel@sholland.org> MIME-Version: 1.0 Cc: devicetree@vger.kernel.org, Arnaud Ferraris , alsa-devel@alsa-project.org, Samuel Holland , linux-kernel@vger.kernel.org, Takashi Iwai , Maxime Ripard , Rob Herring , Krzysztof Kozlowski , linux-sunxi@lists.linux.dev, linux-arm-kernel@lists.infradead.org X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" Revisions 1.0 and 1.1 of the PinePhone mainboard do not have an external resistor connecting HBIAS to MIC2P. Enable the internal resistor to provide the necessary headeset microphone bias. Signed-off-by: Samuel Holland Reviewed-by: Jernej Skrabec --- (no changes since v1) arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.0.dts | 4 ++++ arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.1.dts | 4 ++++ 2 files changed, 8 insertions(+) diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.0.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.0.dts index fb65319a3bd3..219f720b8b7d 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.0.dts +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.0.dts @@ -10,6 +10,10 @@ / { compatible = "pine64,pinephone-1.0", "pine64,pinephone", "allwinner,sun50i-a64"; }; +&codec_analog { + allwinner,internal-bias-resistor; +}; + &sgm3140 { enable-gpios = <&pio 2 3 GPIO_ACTIVE_HIGH>; /* PC3 */ flash-gpios = <&pio 3 24 GPIO_ACTIVE_HIGH>; /* PD24 */ diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.1.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.1.dts index 5e59d3752178..723af64a9cee 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.1.dts +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.1.dts @@ -29,6 +29,10 @@ &backlight { default-brightness-level = <400>; }; +&codec_analog { + allwinner,internal-bias-resistor; +}; + &sgm3140 { enable-gpios = <&pio 3 24 GPIO_ACTIVE_HIGH>; /* PD24 */ flash-gpios = <&pio 2 3 GPIO_ACTIVE_HIGH>; /* PC3 */