{"id":15711,"url":"https://patchwork.libcamera.org/api/patches/15711/?format=json","web_url":"https://patchwork.libcamera.org/patch/15711/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/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":"<20220426055830.8999-5-hpa@redhat.com>","date":"2022-04-26T05:58:30","name":"[libcamera-devel,v3,4/4] ipa: ipu3: af: Remove hardcoded maximum VCM steps","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"f82052649f69f758be9e275f544bc1d9fd0d1658","submitter":{"id":105,"url":"https://patchwork.libcamera.org/api/people/105/?format=json","name":"Kate Hsuan","email":"hpa@redhat.com"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/15711/mbox/","series":[{"id":3069,"url":"https://patchwork.libcamera.org/api/series/3069/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=3069","date":"2022-04-26T05:58:27","name":"Enabling AF algorithm to get the VCM attributes from the device driver","version":3,"mbox":"https://patchwork.libcamera.org/series/3069/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/15711/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/15711/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 4E903C0F1B\n\tfor ;\n\tTue, 26 Apr 2022 05:59:37 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 14D8565643;\n\tTue, 26 Apr 2022 07:59:37 +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 07B2F6042D\n\tfor ;\n\tTue, 26 Apr 2022 07:59:34 +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-227-Ysse84tWNG-EjFecOfZqmg-1; 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charset=\"US-ASCII\"; x-default=true","Subject":"[libcamera-devel] [PATCH v3 4/4] ipa: ipu3: af: Remove hardcoded\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":"The hardcoded VCM step variable was removed and was replaced by the\nconfigInfo.\n\nSigned-off-by: Kate Hsuan\n---\n src/ipa/ipu3/algorithms/af.cpp | 13 ++++---------\n src/ipa/ipu3/algorithms/af.h | 2 ++\n 2 files changed, 6 insertions(+), 9 deletions(-)","diff":"diff --git a/src/ipa/ipu3/algorithms/af.cpp b/src/ipa/ipu3/algorithms/af.cpp\nindex f700b01f..4faf0bd8 100644\n--- a/src/ipa/ipu3/algorithms/af.cpp\n+++ b/src/ipa/ipu3/algorithms/af.cpp\n@@ -62,12 +62,6 @@ namespace ipa::ipu3::algorithms {\n \n LOG_DEFINE_CATEGORY(IPU3Af)\n \n-/**\n- * Maximum focus steps of the VCM control\n- * \\todo should be obtained from the VCM driver\n- */\n-static constexpr uint32_t kMaxFocusSteps = 1023;\n-\n /* Minimum focus step for searching appropriate focus */\n static constexpr uint32_t kCoarseSearchStep = 30;\n static constexpr uint32_t kFineSearchStep = 1;\n@@ -179,7 +173,8 @@ int Af::configure(IPAContext &context, const IPAConfigInfo &configInfo)\n \tgrid.y_start |= IPU3_UAPI_GRID_Y_START_EN;\n \n \t/* Initial max focus step */\n-\tmaxStep_ = kMaxFocusSteps;\n+\tmaxStep_ = configInfo.sensorInfo.maxVcmSteps;\n+\tmaxFocusSteps_ = configInfo.sensorInfo.maxVcmSteps;\n \n \t/* Initial frame ignore counter */\n \tafIgnoreFrameReset();\n@@ -217,7 +212,7 @@ void Af::afCoarseScan(IPAContext &context)\n \t\tcontext.frameContext.af.focus = focus_;\n \t\tpreviousVariance_ = 0;\n \t\tmaxStep_ = std::clamp(focus_ + static_cast((focus_ * kFineRange)),\n-\t\t\t\t 0U, kMaxFocusSteps);\n+\t\t\t\t 0U, maxFocusSteps_);\n \t}\n }\n \n@@ -262,7 +257,7 @@ void Af::afReset(IPAContext &context)\n \tpreviousVariance_ = 0.0;\n \tcoarseCompleted_ = false;\n \tfineCompleted_ = false;\n-\tmaxStep_ = kMaxFocusSteps;\n+\tmaxStep_ = maxFocusSteps_;\n }\n \n /**\ndiff --git a/src/ipa/ipu3/algorithms/af.h b/src/ipa/ipu3/algorithms/af.h\nindex b85cf941..a1cf561c 100644\n--- a/src/ipa/ipu3/algorithms/af.h\n+++ b/src/ipa/ipu3/algorithms/af.h\n@@ -45,6 +45,8 @@ private:\n \n \tbool afIsOutOfFocus(IPAContext context);\n \n+\t/* Maximum VCM steps */\n+\tuint32_t maxFocusSteps_;\n \t/* VCM step configuration. It is the current setting of the VCM step. */\n \tuint32_t focus_;\n \t/* The best VCM step. It is a local optimum VCM step during scanning. */\n","prefixes":["libcamera-devel","v3","4/4"]}