{"id":18741,"url":"https://patchwork.libcamera.org/api/patches/18741/?format=json","web_url":"https://patchwork.libcamera.org/patch/18741/","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":"<20230615172608.378258-5-kieran.bingham@ideasonboard.com>","date":"2023-06-15T17:26:07","name":"[libcamera-devel,v4,4/5] libcamera: properties: Provide a Devices camera property","commit_ref":null,"pull_url":null,"state":"accepted","archived":false,"hash":"ea7e46932666e09678cb5e40c4b4d2ea9ddabef3","submitter":{"id":4,"url":"https://patchwork.libcamera.org/api/people/4/?format=json","name":"Kieran Bingham","email":"kieran.bingham@ideasonboard.com"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/18741/mbox/","series":[{"id":3925,"url":"https://patchwork.libcamera.org/api/series/3925/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=3925","date":"2023-06-15T17:26:03","name":"libcamera: Add new Camera devices property","version":4,"mbox":"https://patchwork.libcamera.org/series/3925/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/18741/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/18741/checks/","tags":{},"headers":{"Return-Path":"<libcamera-devel-bounces@lists.libcamera.org>","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 CAAB7C32AA\n\tfor <parsemail@patchwork.libcamera.org>;\n\tThu, 15 Jun 2023 17:26:21 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 1248F628C2;\n\tThu, 15 Jun 2023 19:26:21 +0200 (CEST)","from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 1E351628B5\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tThu, 15 Jun 2023 19:26:17 +0200 (CEST)","from Monstersaurus.local\n\t(aztw-30-b2-v4wan-166917-cust845.vm26.cable.virginm.net\n\t[82.37.23.78])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 74C58DA8;\n\tThu, 15 Jun 2023 19:25:45 +0200 (CEST)"],"DKIM-Signature":["v=1; a=rsa-sha256; c=relaxed/simple; d=libcamera.org;\n\ts=mail; t=1686849981;\n\tbh=0R5YKzYC5n93O77+U5+2ee2mRlkQTCDfBakiwliYpfs=;\n\th=To:Date:In-Reply-To:References:Subject:List-Id:List-Unsubscribe:\n\tList-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To:Cc:\n\tFrom;\n\tb=lmpvMS1kRWf3c7Ezbm6il4ztFwlGiTMW1x2xVn+00RFCIPCGnsStQC9wzDSd1co/7\n\tyQFsLuwvJePxwoR57s6eGd0P8yWnwEcJDOHvCJDhLU5PZV2OL1Sjf2TmSbJ49rjt1k\n\thmtKx5Ir3AmfKOwOAfceaK1+deGAdM5zjxg4XpOGhjK/khjm8o6JHfu8omIJJG9vb0\n\tbeFf2IYOCzVYoCjnN3+4ebanGnYOqr3sABVvZCAfq/mAiPWs046zv1/G4muIIqEg2L\n\tY2glQO2D0u3MyMplNJ1a7FCuEhzrCHTedJ0y9Cq6B5s1nvkbIiY5ahwPNLYzIW48xd\n\tZ4hLkjpc/v7ww==","v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1686849945;\n\tbh=0R5YKzYC5n93O77+U5+2ee2mRlkQTCDfBakiwliYpfs=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=HAYBwW6fPsah4T8Omdhi48ybmmp4aPe/5NGeMgGP1Vl/uZGzRnH/Q3VNX5BGWKtWo\n\tiufpY8oqmZlkbFbtZcrtaZN/3F/JCLf8QbUGGGoFliccryYXkLPQMwZQm1BU5xc/mR\n\tC/kP+gTzvYDozJmfRvx+dP6Wc9a3ZyyX1v2AT14c="],"Authentication-Results":"lancelot.ideasonboard.com; dkim=pass (1024-bit key; \n\tunprotected) header.d=ideasonboard.com\n\theader.i=@ideasonboard.com\n\theader.b=\"HAYBwW6f\"; dkim-atps=neutral","To":"libcamera devel <libcamera-devel@lists.libcamera.org>","Date":"Thu, 15 Jun 2023 18:26:07 +0100","Message-Id":"<20230615172608.378258-5-kieran.bingham@ideasonboard.com>","X-Mailer":"git-send-email 2.34.1","In-Reply-To":"<20230615172608.378258-1-kieran.bingham@ideasonboard.com>","References":"<20230615172608.378258-1-kieran.bingham@ideasonboard.com>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","Subject":"[libcamera-devel] [PATCH v4 4/5] libcamera: properties: Provide a\n\tDevices camera property","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"<libcamera-devel.lists.libcamera.org>","List-Unsubscribe":"<https://lists.libcamera.org/options/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=unsubscribe>","List-Archive":"<https://lists.libcamera.org/pipermail/libcamera-devel/>","List-Post":"<mailto:libcamera-devel@lists.libcamera.org>","List-Help":"<mailto:libcamera-devel-request@lists.libcamera.org?subject=help>","List-Subscribe":"<https://lists.libcamera.org/listinfo/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=subscribe>","From":"Kieran Bingham via libcamera-devel\n\t<libcamera-devel@lists.libcamera.org>","Reply-To":"Kieran Bingham <kieran.bingham@ideasonboard.com>","Cc":"Jacopo Mondi <jacopo.mondi@ideasonboard.com>,\n\tAshok Sidipotu <ashok.sidipotu@collabora.com>","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"},"content":"Provide a new Camera property that allows pipeline handlers to list any\nkernel device used to operate the camera. This allows other frameworks\nand daemons such as PipeWire to better understand the resources consumed\nby a Camera and consider ignoring those resources when enumerating\ncamera devices on a system.\n\nTested-by: Ashok Sidipotu <ashok.sidipotu@collabora.com>\nReviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>\nReviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\nSigned-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>\n\n---\nv4:\n - Report that different cameras may report identical devices\n - Rename to SystemDevices\n\nSigned-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>\n---\n src/libcamera/property_ids.yaml | 9 +++++++++\n 1 file changed, 9 insertions(+)","diff":"diff --git a/src/libcamera/property_ids.yaml b/src/libcamera/property_ids.yaml\nindex cb55e0ed2283..ef1dfd322db1 100644\n--- a/src/libcamera/property_ids.yaml\n+++ b/src/libcamera/property_ids.yaml\n@@ -690,6 +690,15 @@ controls:\n         that is twice that of the full resolution mode. This value will be valid\n         after the configure method has returned successfully.\n \n+  - SystemDevices:\n+      type: int64_t\n+      size: [n]\n+      description: |\n+        A list of integer values of type dev_t denoting major and minor device\n+        number of the underlying devices used in the operation of this camera.\n+\n+        Different cameras may report identical devices.\n+\n   # ----------------------------------------------------------------------------\n   # Draft properties section\n \n","prefixes":["libcamera-devel","v4","4/5"]}