{"id":15693,"url":"https://patchwork.libcamera.org/api/1.1/patches/15693/?format=json","web_url":"https://patchwork.libcamera.org/patch/15693/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/1.1/projects/1/?format=json","name":"libcamera","link_name":"libcamera","list_id":"libcamera_core","list_email":"libcamera-devel@lists.libcamera.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20220421072848.6752-3-hpa@redhat.com>","date":"2022-04-21T07:28:46","name":"[libcamera-devel,RFC,v2,2/4] libcamera: camera_lens: Get maximum VCM steps","commit_ref":null,"pull_url":null,"state":"superseded","archived":false,"hash":"7d36161817841c7de2fc253062645259b4439d6e","submitter":{"id":105,"url":"https://patchwork.libcamera.org/api/1.1/people/105/?format=json","name":"Kate Hsuan","email":"hpa@redhat.com"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/15693/mbox/","series":[{"id":3062,"url":"https://patchwork.libcamera.org/api/1.1/series/3062/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=3062","date":"2022-04-21T07:28:44","name":"Enabling AF algorithm to get the VCM attributes from the device driver","version":2,"mbox":"https://patchwork.libcamera.org/series/3062/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/15693/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/15693/checks/","tags":{},"headers":{"Return-Path":"","X-Original-To":"parsemail@patchwork.libcamera.org","Delivered-To":"parsemail@patchwork.libcamera.org","Received":["from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id A9DF4C0F1B\n\tfor ;\n\tThu, 21 Apr 2022 07:29:12 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 6CC136564A;\n\tThu, 21 Apr 2022 09:29:12 +0200 (CEST)","from us-smtp-delivery-124.mimecast.com\n\t(us-smtp-delivery-124.mimecast.com [170.10.129.124])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id C1C0565643\n\tfor ;\n\tThu, 21 Apr 2022 09:29:10 +0200 (CEST)","from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com\n\t[66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS\n\t(version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id\n\tus-mta-43-YdiIO9yhNvGY6hW9RdlrCQ-1; 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charset=UTF-8","Content-Transfer-Encoding":"8bit","Subject":"[libcamera-devel] [RFC PATCH v2 2/4] libcamera: camera_lens: Get\n\tmaximum VCM steps","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","From":"Kate Hsuan via libcamera-devel ","Reply-To":"Kate Hsuan ","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "},"content":"It allows other components to get the maximum VCM steps. It get the device\ninformation from subdev and return it's maximum value.\n\nSigned-off-by: Kate Hsuan\n---\n include/libcamera/internal/camera_lens.h | 1 +\n src/libcamera/camera_lens.cpp | 13 +++++++++++++\n 2 files changed, 14 insertions(+)","diff":"diff --git a/include/libcamera/internal/camera_lens.h b/include/libcamera/internal/camera_lens.h\nindex 277417da..84b3c884 100644\n--- a/include/libcamera/internal/camera_lens.h\n+++ b/include/libcamera/internal/camera_lens.h\n@@ -27,6 +27,7 @@ public:\n \n \tint init();\n \tint setFocusPosition(int32_t position);\n+\tint getMaxFocusStep();\n \n \tconst std::string &model() const { return model_; }\n \ndiff --git a/src/libcamera/camera_lens.cpp b/src/libcamera/camera_lens.cpp\nindex b3d48199..b9810551 100644\n--- a/src/libcamera/camera_lens.cpp\n+++ b/src/libcamera/camera_lens.cpp\n@@ -95,6 +95,19 @@ int CameraLens::setFocusPosition(int32_t position)\n \treturn 0;\n }\n \n+/**\n+ * \\brief Get maximum lens steps\n+ * \\return The maximum lens steps.\n+ */\n+int CameraLens::getMaxFocusStep()\n+{\n+\tconst ControlInfoMap &infoMap_ = subdev_->controls();\n+\tconst ControlInfo devInfo = infoMap_.find(V4L2_CID_FOCUS_ABSOLUTE)->second;\n+\tint32_t maxFocus = devInfo.max().get();\n+\n+\treturn maxFocus;\n+}\n+\n int CameraLens::validateLensDriver()\n {\n \tint ret = 0;\n","prefixes":["libcamera-devel","RFC","v2","2/4"]}