{"id":15396,"url":"https://patchwork.libcamera.org/api/1.1/patches/15396/?format=json","web_url":"https://patchwork.libcamera.org/patch/15396/","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":"<20220301075919.201968-1-umang.jain@ideasonboard.com>","date":"2022-03-01T07:59:19","name":"[libcamera-devel,v2] ipa: ipu3: Consolidate querying of exposure and gain limits","commit_ref":null,"pull_url":null,"state":"superseded","archived":false,"hash":"df594484da6a0112a72fe0bdec9dc224e7fae6b9","submitter":{"id":86,"url":"https://patchwork.libcamera.org/api/1.1/people/86/?format=json","name":"Umang Jain","email":"umang.jain@ideasonboard.com"},"delegate":{"id":12,"url":"https://patchwork.libcamera.org/api/1.1/users/12/?format=json","username":"uajain","first_name":"Umang","last_name":"Jain","email":"umang.jain@ideasonboard.com"},"mbox":"https://patchwork.libcamera.org/patch/15396/mbox/","series":[{"id":2945,"url":"https://patchwork.libcamera.org/api/1.1/series/2945/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=2945","date":"2022-03-01T07:59:19","name":"[libcamera-devel,v2] ipa: ipu3: Consolidate querying of exposure and gain limits","version":2,"mbox":"https://patchwork.libcamera.org/series/2945/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/15396/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/15396/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 0D3A3BE08A\n\tfor ;\n\tTue, 1 Mar 2022 07:59:30 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 5FDBE61166;\n\tTue, 1 Mar 2022 08:59:29 +0100 (CET)","from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id A3795604ED\n\tfor ;\n\tTue, 1 Mar 2022 08:59:28 +0100 (CET)","from perceval.ideasonboard.com (unknown [103.251.226.77])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 3723E478;\n\tTue, 1 Mar 2022 08:59:26 +0100 (CET)"],"Authentication-Results":"lancelot.ideasonboard.com;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"HMv/AnAI\"; dkim-atps=neutral","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1646121568;\n\tbh=CBorNZRKGUit1VO0vApRkeK2qU8sy04nVtGQasmr6Ts=;\n\th=From:To:Cc:Subject:Date:From;\n\tb=HMv/AnAIcVShV4zhiAFS51Chqh+WPqNyYs1o1ws9W0QGOZloNRyoDuGPtpkOaMiFU\n\tUMxN2KUruyT1RxxuFqPa9f4MKmGLwwZcsO4z7LGsQXHzluq2/kgQYRulvIQLaEx7AT\n\tgW1XgqxSmoMFO8k/wen3cx1r58AlheIDuFab5pOA=","From":"Umang Jain ","To":"libcamera-devel@lists.libcamera.org","Date":"Tue, 1 Mar 2022 13:29:19 +0530","Message-Id":"<20220301075919.201968-1-umang.jain@ideasonboard.com>","X-Mailer":"git-send-email 2.31.1","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","Subject":"[libcamera-devel] [PATCH v2] ipa: ipu3: Consolidate querying of\n\texposure and gain limits","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","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "},"content":"The exposure and gain limits are required for AGC configuration\nhandled in IPAIPU3::updateSessionConfiguration(), which is happening\nalready. Therefore the max/min private members in IPAIPU3 class for\nexposure/gain serve no use except setting initial values of exposure_\nand gain_ members.\n\nDrop the max/min private members from IPAIPU3 class and set initial\ngain_ and exposure_ in IPAIPU3::updateSessionConfiguration().\n\nSigned-off-by: Umang Jain \n---\nChanges in v2:\n - Split into separate patch\n - Prepped over \"v4 ipa: ipu3: Misc clean up\"\n - Don't include max/min exposure/gain members in\n IPASessionConfiguration, as they aren't used anywhere. \n---\n src/ipa/ipu3/ipu3.cpp | 26 ++------------------------\n 1 file changed, 2 insertions(+), 24 deletions(-)","diff":"diff --git a/src/ipa/ipu3/ipu3.cpp b/src/ipa/ipu3/ipu3.cpp\nindex 17324616..4b6852a7 100644\n--- a/src/ipa/ipu3/ipu3.cpp\n+++ b/src/ipa/ipu3/ipu3.cpp\n@@ -167,11 +167,7 @@ private:\n \t/* Camera sensor controls. */\n \tuint32_t defVBlank_;\n \tuint32_t exposure_;\n-\tuint32_t minExposure_;\n-\tuint32_t maxExposure_;\n \tuint32_t gain_;\n-\tuint32_t minGain_;\n-\tuint32_t maxGain_;\n \n \t/* Interface to the Camera Helper */\n \tstd::unique_ptr camHelper_;\n@@ -192,10 +188,12 @@ void IPAIPU3::updateSessionConfiguration(const ControlInfoMap &sensorControls)\n \tconst ControlInfo &v4l2Exposure = sensorControls.find(V4L2_CID_EXPOSURE)->second;\n \tint32_t minExposure = v4l2Exposure.min().get();\n \tint32_t maxExposure = v4l2Exposure.max().get();\n+\texposure_ = minExposure;\n \n \tconst ControlInfo &v4l2Gain = sensorControls.find(V4L2_CID_ANALOGUE_GAIN)->second;\n \tint32_t minGain = v4l2Gain.min().get();\n \tint32_t maxGain = v4l2Gain.max().get();\n+\tgain_ = minGain;\n \n \t/*\n \t * When the AGC computes the new exposure values for a frame, it needs\n@@ -429,32 +427,12 @@ int IPAIPU3::configure(const IPAConfigInfo &configInfo,\n \t */\n \tctrls_ = configInfo.sensorControls;\n \n-\tconst auto itExp = ctrls_.find(V4L2_CID_EXPOSURE);\n-\tif (itExp == ctrls_.end()) {\n-\t\tLOG(IPAIPU3, Error) << \"Can't find exposure control\";\n-\t\treturn -EINVAL;\n-\t}\n-\n-\tconst auto itGain = ctrls_.find(V4L2_CID_ANALOGUE_GAIN);\n-\tif (itGain == ctrls_.end()) {\n-\t\tLOG(IPAIPU3, Error) << \"Can't find gain control\";\n-\t\treturn -EINVAL;\n-\t}\n-\n \tconst auto itVBlank = ctrls_.find(V4L2_CID_VBLANK);\n \tif (itVBlank == ctrls_.end()) {\n \t\tLOG(IPAIPU3, Error) << \"Can't find VBLANK control\";\n \t\treturn -EINVAL;\n \t}\n \n-\tminExposure_ = itExp->second.min().get();\n-\tmaxExposure_ = itExp->second.max().get();\n-\texposure_ = minExposure_;\n-\n-\tminGain_ = itGain->second.min().get();\n-\tmaxGain_ = itGain->second.max().get();\n-\tgain_ = minGain_;\n-\n \tdefVBlank_ = itVBlank->second.def().get();\n \n \tcalculateBdsGrid(configInfo.bdsOutputSize);\n","prefixes":["libcamera-devel","v2"]}