From patchwork Thu Oct 14 17:41:56 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacopo Mondi X-Patchwork-Id: 14140 Return-Path: X-Original-To: parsemail@patchwork.libcamera.org Delivered-To: parsemail@patchwork.libcamera.org Received: from lancelot.ideasonboard.com (lancelot.ideasonboard.com [92.243.16.209]) by patchwork.libcamera.org (Postfix) with ESMTPS id 6A468C323E for ; Thu, 14 Oct 2021 17:41:30 +0000 (UTC) Received: from lancelot.ideasonboard.com (localhost [IPv6:::1]) by lancelot.ideasonboard.com (Postfix) with ESMTP id 2896668F5E; Thu, 14 Oct 2021 19:41:30 +0200 (CEST) Received: from relay9-d.mail.gandi.net (relay9-d.mail.gandi.net [217.70.183.199]) by lancelot.ideasonboard.com (Postfix) with ESMTPS id 0F5E268F4E for ; Thu, 14 Oct 2021 19:41:28 +0200 (CEST) Received: (Authenticated sender: jacopo@jmondi.org) by relay9-d.mail.gandi.net (Postfix) with ESMTPSA id 2CAA4FF808; Thu, 14 Oct 2021 17:41:26 +0000 (UTC) From: Jacopo Mondi To: libcamera-devel@lists.libcamera.org Date: Thu, 14 Oct 2021 19:41:56 +0200 Message-Id: <20211014174208.50509-5-jacopo@jmondi.org> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20211014174208.50509-1-jacopo@jmondi.org> References: <20211014174208.50509-1-jacopo@jmondi.org> MIME-Version: 1.0 Subject: [libcamera-devel] [PATCH v4 04/16] libcamera: ipu3: Split controls init/update X-BeenThere: libcamera-devel@lists.libcamera.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: libcamera-devel-bounces@lists.libcamera.org Sender: "libcamera-devel" In order to prepare for updating the Camera controls limits when a new camera configuration is applied, split the initControls() function in two: - updateControls() to actually compute controls values - initControls() to initialize the sensor configuration and call updateControls Update the functions documentation accordingly. No functional changes intended. Signed-off-by: Jacopo Mondi Reviewed-by: Paul Elder Reviewed-by: Umang Jain --- src/libcamera/pipeline/ipu3/ipu3.cpp | 33 ++++++++++++++++++++++++---- 1 file changed, 29 insertions(+), 4 deletions(-) diff --git a/src/libcamera/pipeline/ipu3/ipu3.cpp b/src/libcamera/pipeline/ipu3/ipu3.cpp index 11ac55c02681..cd71cce42421 100644 --- a/src/libcamera/pipeline/ipu3/ipu3.cpp +++ b/src/libcamera/pipeline/ipu3/ipu3.cpp @@ -148,6 +148,7 @@ private: } int initControls(IPU3CameraData *data); + int updateControls(IPU3CameraData *data); int registerCameras(); int allocateBuffers(Camera *camera); @@ -927,9 +928,11 @@ bool PipelineHandlerIPU3::match(DeviceEnumerator *enumerator) * \brief Initialize the camera controls * \param[in] data The camera data * - * Initialize the camera controls as the union of the static pipeline handler - * controls (IPU3Controls) and controls created dynamically from the sensor - * capabilities. + * Initialize the camera controls by calculating controls which the pipeline + * is reponsible for and merge them with the controls computed by the IPA. + * + * This function needs data->ipaControls_ to be initialized by the IPA init() + * function at camera creation time. Always call this function after IPA init(). * * \return 0 on success or a negative error code otherwise */ @@ -950,8 +953,30 @@ int PipelineHandlerIPU3::initControls(IPU3CameraData *data) if (ret) return ret; + return updateControls(data); +} + +/** + * \brief Update the camera controls + * \param[in] data The camera data + * + * Compute the camera controls by calculating controls which the pipeline + * is reponsible for and merge them with the controls computed by the IPA. + * + * This function needs data->ipaControls_ to be refreshed when a new + * configuration is applied to the camera by the IPA configure() function. + * + * Always call this function after IPA configure() to make sure to have a + * properly refreshed IPA controls list. + * + * \return 0 on success or a negative error code otherwise + */ +int PipelineHandlerIPU3::updateControls(IPU3CameraData *data) +{ + CameraSensor *sensor = data->cio2_.sensor(); IPACameraSensorInfo sensorInfo{}; - ret = sensor->sensorInfo(&sensorInfo); + + int ret = sensor->sensorInfo(&sensorInfo); if (ret) return ret;