From nobody Thu Apr 2 17:17:27 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5E18B331A5C; Tue, 10 Feb 2026 19:42:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770752538; cv=none; b=CrMsnLEslJUHoI9h4X+3/g1YwtH6s8UqWcVCvf/9A0wVs/0SPnkqLCOla7NG6ilWdX2y1jGdoW4BSAucdNrJGNbAWT4Fa/ioF6SC0V2iUYJChXjLGfZe/4f04ImSvxwF02ZL061XK11LkIYVjWJNxMoYl6HzqTNaIWkE9V9O078= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770752538; c=relaxed/simple; bh=Nckr18q+Pc834VltsB532nh4FNhXlL8U3Bfapvh6vec=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=FaT9zfYDLP7+z6nK46XEEuVRMd5hUUKqFrQ498rbCGpDQZQIvY/rCWCb4G9bu7R+yBAAbSyMiik+XHMidg4pSPI2XFuCYu9c/SuA8hAPcDTj04XUgoyAQzTzkDh46DNZ0xpb6Y5jnqzkwcTRRCOqmOrUQO51Gb/IyQfttNAfMww= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=DRegcP0X; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="DRegcP0X" Received: by smtp.kernel.org (Postfix) with ESMTPS id 1BE55C4AF49; Tue, 10 Feb 2026 19:42:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1770752538; bh=Nckr18q+Pc834VltsB532nh4FNhXlL8U3Bfapvh6vec=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=DRegcP0XiYscP+aCrplYWALp91kgy3MXzmwbfdumKASrueTsNqhNFywMsevGgi4cf JJ2a0GolFHuWQQgBcVYlP+zqiCOkb7rqd2Fs65LO8Q3KleXsI+Z47BZ/C+PQcPPdJ0 IcLrv/Cm+y0AZUBEvJfGYzL0sjpaMrSH8jWZcibrNmYzUIYwQ0KHw+7/SiM8DE0eXD VWlnvGhzVJhxrRD3Zj6wYmqN34ikFntxmr+jliCNHKbBWQjakwusA7/frtxVt6sKkH vGiCG+jA+L9h6qbYb2ZxY+iGSV3Z6QyqCAnrJ8f4sVwfBz9ZWpqvAtUFNLOCwMb8ts 6zTA0ex8LkrPg== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0BD5EEB270A; Tue, 10 Feb 2026 19:42:18 +0000 (UTC) From: Rodrigo Alencar via B4 Relay Date: Tue, 10 Feb 2026 19:42:10 +0000 Subject: [PATCH v4 10/11] iio: amplifiers: ad8366: consume enable gpio Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260210-iio-ad8366-update-v4-10-15505f7b15b4@analog.com> References: <20260210-iio-ad8366-update-v4-0-15505f7b15b4@analog.com> In-Reply-To: <20260210-iio-ad8366-update-v4-0-15505f7b15b4@analog.com> To: linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org, devicetree@vger.kernel.org Cc: Michael Hennerich , Lars-Peter Clausen , Jonathan Cameron , David Lechner , Andy Shevchenko , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Rodrigo Alencar X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1770752535; l=1285; i=rodrigo.alencar@analog.com; s=default; h=from:subject:message-id; bh=4a2IBbnyaOJ7gewx1RlFVq18q3wqExfVEKH0FpNfWGQ=; b=ODvCtSxIjNnFuIBGHRSZc7k0d0/Cpiigr+61MAjQv2eUbD9QtJwKDAot2rMbFsXoP/k9CJQ3z FOKcHLmyF4kAFj06z/HtSpakuGw3V8AJ+Fi8DqTtkJJ5+3ono5w91RE X-Developer-Key: i=rodrigo.alencar@analog.com; a=ed25519; pk=ULeHbgU/OYh/PG/4anHDfLgldFItQHAhOktYRVLMFRo= X-Endpoint-Received: by B4 Relay for rodrigo.alencar@analog.com/default with auth_id=561 X-Original-From: Rodrigo Alencar Reply-To: rodrigo.alencar@analog.com From: Rodrigo Alencar Some parts may consume enable GPIO to enable serial mode (HMC1119's and HMC792A P/S pin) or powerup the device (e.g. ADA4961's PWUP pin). Signed-off-by: Rodrigo Alencar --- drivers/iio/amplifiers/ad8366.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/iio/amplifiers/ad8366.c b/drivers/iio/amplifiers/ad836= 6.c index 79fb3119d794..b828b4be7b6e 100644 --- a/drivers/iio/amplifiers/ad8366.c +++ b/drivers/iio/amplifiers/ad8366.c @@ -204,6 +204,7 @@ static const struct iio_chan_spec ad8366_channels[] =3D= { static int ad8366_probe(struct spi_device *spi) { struct device *dev =3D &spi->dev; + struct gpio_desc *enable_gpio; struct reset_control *rstc; struct iio_dev *indio_dev; struct ad8366_state *st; @@ -231,6 +232,11 @@ static int ad8366_probe(struct spi_device *spi) return dev_err_probe(dev, PTR_ERR(rstc), "Failed to get reset controller\n"); =20 + enable_gpio =3D devm_gpiod_get_optional(dev, "enable", GPIOD_OUT_HIGH); + if (IS_ERR(enable_gpio)) + return dev_err_probe(dev, PTR_ERR(enable_gpio), + "Failed to get enable GPIO\n"); + indio_dev->name =3D spi_get_device_id(spi)->name; indio_dev->info =3D &ad8366_info; indio_dev->modes =3D INDIO_DIRECT_MODE; --=20 2.43.0