From nobody Tue Dec 16 20:02:25 2025 Received: from mail-wm1-f44.google.com (mail-wm1-f44.google.com [209.85.128.44]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E876E25D902 for ; Mon, 24 Mar 2025 11:06:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.44 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742814384; cv=none; b=KO9P9MRaKGz5kTAzNf+o61eDpuyzttFj8vUeHugCG6XHseeQsCUR+g/nRJaa3he6HpJ6uYg/GFLPkYKLQhdCTWavBp4IjL+zmwW7rff720LRSGADLx5qkNVa3mZ68Da+3D2lMF8zz+NLiZDllsWZj0eHwDkH0jKPvk8QLEsyXTU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742814384; c=relaxed/simple; bh=5X1aPO2z0jUPOmAmxxbRnG88+AZ4I5yT718/OM1HQtE=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=EL5aWm2WJ4YibvklsXyTRInNfSqktZDbx94y6T/gH22Sx1RTzeG1IAnh4IZ8kqwhfzoLpOm1GyJU42A6Y8+4c5Ltiw7cB4o1JuCp/W7fYzrv0CwrQORje8WANajSRAsVQv1YaU6l80idqwYMU46s+kIlBgD68bo4qg5xxg/NcrM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org; spf=pass smtp.mailfrom=linaro.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b=InB51t6f; arc=none smtp.client-ip=209.85.128.44 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linaro.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="InB51t6f" Received: by mail-wm1-f44.google.com with SMTP id 5b1f17b1804b1-43cf05f0c3eso26572395e9.0 for ; Mon, 24 Mar 2025 04:06:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1742814381; x=1743419181; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=QPfdok1uXbCV3fbB68Oh0kuMKD9EmCqvBmSN9d5b64A=; b=InB51t6fC6NwWM0bgYwWozN8HlNRq/HIqXpHHNjgoq9nAHeKDV0lhJufJvECCSHg9U mKX2BF6IwrGScCRXXfyKxeGo8omFbLMnNGzpbeH4bqPezQGkqgWJQBOvO9E2/a5xJPO5 Mmvhnc9YoM0mGuMN7mN3vksTiSArnyo1HoFWmFCL5wakIgTy5BW/Ku17xKl0ko1dJRKo 0V4ag0XktMWh9rTZvhHXgbJRPjkFtZReJZrBLOW9LCrbj5HkzeHcHgFco9/BcEpfLtiV rNAH471nDjwAiyGHfhGfeDGqcmXmQMX5TIBIPcDrxQtUMbkJ6uCu/9Tjr7QjERPJSLvM LyFw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1742814381; x=1743419181; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=QPfdok1uXbCV3fbB68Oh0kuMKD9EmCqvBmSN9d5b64A=; b=svfDFaPvggL0SLMC59cs/4sNXAhmowGWts6NacvyAGzpXK7g4Y9CehtMqeH/SllQuR TWOd2nHIqr5se3ltcbIIi97abyaoQ+jCUb/F2eMai78HNfZWp/1co423AeTjuW3vomQW YM0BlAML14v/KUS6ivE5bI+ulg4+v0s247opwMlwG9IW74BYbpxfXlLtwLXIUSaJ5QQA Ly4BmIhxc92pNfIDmA35ixbzPW2VTUunic6nX9gKUsRUL5LTFcagKpDMFBFRb3CBfCtt gSLCPSSduRqdHWCqaLxfiyHtEGMa6noy84mqw2iHoceuHlYxtL88N9ZDebSP124WuerL jRtg== X-Forwarded-Encrypted: i=1; AJvYcCUL56zvhRvbdMU03yp4zkWCIk92Op0YIokHkr01nOzzCYVsCRRzVjgtRfBtTP4DLf/1kc5/A9OQlyPTz0M=@vger.kernel.org X-Gm-Message-State: AOJu0YzNuEDzVLmUIsFfo9YPCDlqicgsuo5CKODSxJnq21q+b0ljJBCQ bJRCrOoOHAIba5Wpe1M14b+ZU6jhnulKUw/Yu3+D/FoS9in+r5NIHMQJOiLPTCM= X-Gm-Gg: ASbGncupBPuqHqqRY8/zezBfeaQD6yCHk2ewGTBhGotaribMu2xCTA10KTOw0+5Zvg6 NTMVjhMt1EWf3Vpys2J60nFtE5qCS57hb9wF7VXnPuwnrfYaQKfibAdB1a2ZciMKdQKbZkTonAE F+DqE0H8Mzb9IfqVEQkc+NNruxqouUStu/NKOv/N096UMoleeqtbQVGn3Irte8p6vm3EMCkON/Y wI7EwJ993+HbE1ilFzS96LVx5afAS4XOycAbMknw+rvPJq/aA/wwT3MXk77krEo+LQmE0R7UfhY wLJYSRn8dFDiEebZQoS0Jx86d5+URp5DtA9yCFbgRIRlZZCH+aKqZLyedFi32LKiZ6HeDw== X-Google-Smtp-Source: AGHT+IExFwGVwiy70dxdymve015KK85mNqBLkZiOrbkOqWu5PPmRikLkCEYj40+Tu5kNQWOC4k/G0w== X-Received: by 2002:a05:600c:4512:b0:43b:c878:144c with SMTP id 5b1f17b1804b1-43d509ee50amr117578135e9.12.1742814380967; Mon, 24 Mar 2025 04:06:20 -0700 (PDT) Received: from localhost.localdomain ([5.133.47.210]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-43d4fd28a46sm117236055e9.24.2025.03.24.04.06.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Mar 2025 04:06:20 -0700 (PDT) From: srinivas.kandagatla@linaro.org To: peda@axentia.se, broonie@kernel.org, andersson@kernel.org, krzk+dt@kernel.org Cc: ivprusov@salutedevices.com, luca.ceresoli@bootlin.com, zhoubinbin@loongson.cn, paulha@opensource.cirrus.com, lgirdwood@gmail.com, robh@kernel.org, conor+dt@kernel.org, konradybcio@kernel.org, perex@perex.cz, tiwai@suse.com, dmitry.baryshkov@oss.qualcomm.com, linux-sound@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, johan+linaro@kernel.org, Srinivas Kandagatla , Christopher Obbard Subject: [PATCH v3 2/6] mux: gpio: add optional regulator support Date: Mon, 24 Mar 2025 11:06:02 +0000 Message-Id: <20250324110606.32001-3-srinivas.kandagatla@linaro.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250324110606.32001-1-srinivas.kandagatla@linaro.org> References: <20250324110606.32001-1-srinivas.kandagatla@linaro.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Srinivas Kandagatla Some of the external muxes needs powering up using a regulator. This is the case with Lenovo T14s laptop which has a external audio mux to handle US/EURO headsets. Add support to the driver to handle this optional regulator. Signed-off-by: Srinivas Kandagatla Tested-by: Christopher Obbard --- drivers/mux/gpio.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/mux/gpio.c b/drivers/mux/gpio.c index cc5f2c1861d4..d1607f287755 100644 --- a/drivers/mux/gpio.c +++ b/drivers/mux/gpio.c @@ -15,6 +15,7 @@ #include #include #include +#include =20 struct mux_gpio { struct gpio_descs *gpios; @@ -82,6 +83,10 @@ static int mux_gpio_probe(struct platform_device *pdev) mux_chip->mux->idle_state =3D idle_state; } =20 + ret =3D devm_regulator_get_enable_optional(dev, "mux"); + if (ret && ret !=3D -ENODEV) + return dev_err_probe(dev, ret, "Couldn't retrieve/enable gpio mux supply= \n"); + ret =3D devm_mux_chip_register(dev, mux_chip); if (ret < 0) return ret; --=20 2.39.5