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[155.4.209.203]) by smtp.gmail.com with ESMTPSA id n82sm228020lfa.40.2020.07.24.05.15.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 24 Jul 2020 05:15:21 -0700 (PDT) Date: Fri, 24 Jul 2020 14:15:21 +0200 From: Niklas =?iso-8859-1?Q?S=F6derlund?= To: Kaaira Gupta Cc: Helen Koike , Shuah Khan , Mauro Carvalho Chehab , linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, Kieran Bingham Subject: Re: [PATCH v2 0/3] media: vimc: Allow multiple capture devices to use the same sensor Message-ID: <20200724121521.GA2705690@oden.dyn.berto.se> References: <20200724120213.17119-1-kgupta@es.iitr.ac.in> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20200724120213.17119-1-kgupta@es.iitr.ac.in> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Hi Kaaira, Thanks for your work. On 2020-07-24 17:32:10 +0530, Kaaira Gupta wrote: > This is version 2 of the patch series posted by Niklas for allowing > multiple streams in VIMC. > The original series can be found here: > https://patchwork.kernel.org/cover/10948831/ > > This series adds support for two (or more) capture devices to be > connected to the same sensors and run simultaneously. Each capture device > can be started and stopped independent of each other. > > Patch 1/3 and 2/3 deals with solving the issues that arises once two > capture devices can be part of the same pipeline. While 3/3 allows for > two capture devices to be part of the same pipeline and thus allows for > simultaneously use. I'm just curious if you are aware of this series? It would replace the need for 1/3 and 2/3 of this series right? 1. https://lore.kernel.org/linux-media/20200522075522.6190-1-dafna.hirschfeld@collabora.com/ > > Changes since v1: > - All three patches rebased on latest media-tree. > Patch 3: > - Search for an entity with a non-NULL pipe instead of searching > for sensor. This terminates the search at output itself. > > Kaaira Gupta (3): > media: vimc: Add usage count to subdevices > media: vimc: Serialize vimc_streamer_s_stream() > media: vimc: Join pipeline if one already exists > > .../media/test-drivers/vimc/vimc-capture.c | 35 ++++++++++++++++++- > .../media/test-drivers/vimc/vimc-debayer.c | 8 +++++ > drivers/media/test-drivers/vimc/vimc-scaler.c | 8 +++++ > drivers/media/test-drivers/vimc/vimc-sensor.c | 9 ++++- > .../media/test-drivers/vimc/vimc-streamer.c | 23 +++++++----- > 5 files changed, 73 insertions(+), 10 deletions(-) > > -- > 2.17.1 > -- Regards, Niklas Söderlund