{"id":26325,"url":"https://patchwork.libcamera.org/api/patches/26325/?format=json","web_url":"https://patchwork.libcamera.org/patch/26325/","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":"<20260324151714.3345-3-david.plowman@raspberrypi.com>","date":"2026-03-24T14:32:08","name":"[v1,2/3] controls: rpi: Add ControlId control","commit_ref":null,"pull_url":null,"state":"superseded","archived":false,"hash":"f04b257fb3b1b0e981523677ea796a70bae879c3","submitter":{"id":42,"url":"https://patchwork.libcamera.org/api/people/42/?format=json","name":"David Plowman","email":"david.plowman@raspberrypi.com"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/26325/mbox/","series":[{"id":5842,"url":"https://patchwork.libcamera.org/api/series/5842/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=5842","date":"2026-03-24T14:32:06","name":"Atomic control lists on Raspberry Pi","version":1,"mbox":"https://patchwork.libcamera.org/series/5842/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/26325/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/26325/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 03421C32F5\n\tfor ;\n\tTue, 24 Mar 2026 15:17:23 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 87270627A0;\n\tTue, 24 Mar 2026 16:17:23 +0100 (CET)","from mail-wm1-x334.google.com (mail-wm1-x334.google.com\n\t[IPv6:2a00:1450:4864:20::334])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 73ACC62780\n\tfor ;\n\tTue, 24 Mar 2026 16:17:19 +0100 (CET)","by mail-wm1-x334.google.com with SMTP id\n\t5b1f17b1804b1-486fba7ce4cso13677965e9.3\n\tfor ;\n\tTue, 24 Mar 2026 08:17:19 -0700 (PDT)","from davidp-pi5.pitowers.org\n\t([2a00:1098:3142:1f:88ea:c658:5b20:5e46])\n\tby smtp.gmail.com with ESMTPSA id\n\t5b1f17b1804b1-487116c44bfsm63826065e9.9.2026.03.24.08.17.18\n\t(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n\tTue, 24 Mar 2026 08:17:18 -0700 (PDT)"],"Authentication-Results":"lancelot.ideasonboard.com; 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\n\tTue, 24 Mar 2026 08:17:18 -0700 (PDT)","From":"David Plowman ","To":"libcamera-devel@lists.libcamera.org","Cc":"David Plowman ","Subject":"[PATCH v1 2/3] controls: rpi: Add ControlId control","Date":"Tue, 24 Mar 2026 14:32:08 +0000","Message-ID":"<20260324151714.3345-3-david.plowman@raspberrypi.com>","X-Mailer":"git-send-email 2.47.3","In-Reply-To":"<20260324151714.3345-1-david.plowman@raspberrypi.com>","References":"<20260324151714.3345-1-david.plowman@raspberrypi.com>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","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 ControlId identifies the sequence number of the request whose\ncontrols have been applied to the images in this request for the first\ntime.\n\nSigned-off-by: David Plowman \n---\n src/libcamera/control_ids_rpi.yaml | 10 ++++++++++\n 1 file changed, 10 insertions(+)","diff":"diff --git a/src/libcamera/control_ids_rpi.yaml b/src/libcamera/control_ids_rpi.yaml\nindex a8615112..aca023d7 100644\n--- a/src/libcamera/control_ids_rpi.yaml\n+++ b/src/libcamera/control_ids_rpi.yaml\n@@ -183,4 +183,14 @@ controls:\n \\sa SyncMode\n \\sa SyncReady\n \\sa SyncTimer\n+\n+ - ControlId:\n+ type: int64_t\n+ direction: out\n+ description: |\n+ This is the sequence number of the request whose control list has\n+ just been applied. Controls normally take several frames to apply,\n+ so the number here will refer to a request submitted a number of\n+ frames earlier.\n+\n ...\n","prefixes":["v1","2/3"]}