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Wed, 31 Jul 2019 14:56:27 +0200 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 168B231; Wed, 31 Jul 2019 12:56:26 +0000 (GMT) Received: from Webmail-eu.st.com (Safex1hubcas22.st.com [10.75.90.92]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id F3F25CB312; Wed, 31 Jul 2019 14:56:25 +0200 (CEST) Received: from SAFEX1HUBCAS23.st.com (10.75.90.47) by Safex1hubcas22.st.com (10.75.90.92) with Microsoft SMTP Server (TLS) id 14.3.439.0; Wed, 31 Jul 2019 14:56:25 +0200 Received: from localhost (10.201.23.19) by webmail-ga.st.com (10.75.90.48) with Microsoft SMTP Server (TLS) id 14.3.439.0; Wed, 31 Jul 2019 14:56:25 +0200 From: Hugues Fruchet To: Alexandre Torgue , Mauro Carvalho Chehab , Hans Verkuil , Sakari Ailus Subject: [PATCH v4 0/3] DCMI bridge support Date: Wed, 31 Jul 2019 14:56:20 +0200 Message-ID: <1564577783-18627-1-git-send-email-hugues.fruchet@st.com> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 X-Originating-IP: [10.201.23.19] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-07-31_06:, , signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190731_055642_120453_9BD98E9B X-CRM114-Status: GOOD ( 11.77 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mickael GUENE , linux-kernel@vger.kernel.org, Philippe CORNU , Yannick Fertre , Benjamin Gaignard , Hugues Fruchet , linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org This patch serie allows to connect non-parallel camera sensor to DCMI thanks to a bridge connected in between such as STMIPID02 [1]. Media controller support is introduced first, then support of several sub-devices within pipeline with dynamic linking between them. In order to keep backward compatibility with applications relying on V4L2 interface only, format set on video node is propagated to all sub-devices connected to camera interface. [1] https://www.spinics.net/lists/devicetree/msg278002.html =========== = history = =========== version 4: - Also drop subdev nodes registry as suggested by Hans: https://www.spinics.net/lists/arm-kernel/msg743375.html version 3: - Drop media device registry to not expose media controller interface to userspace as per Laurent' suggestion: https://www.spinics.net/lists/linux-media/msg153417.html - Prefer "source" instead of "sensor" and keep it in dcmi_graph_entity struct, move asd as first member of struct as per Sakari' suggestion: https://www.spinics.net/lists/linux-media/msg153119.html - Drop dcmi_graph_deinit() as per Sakari' suggestion: https://www.spinics.net/lists/linux-media/msg153417.html version 2: - Fix bus_info not consistent between media and V4L: https://www.spinics.net/lists/arm-kernel/msg717676.html - Propagation of format set on video node to the sub-devices chain connected on camera interface version 1: - Initial submission Hugues Fruchet (3): media: stm32-dcmi: improve sensor subdev naming media: stm32-dcmi: add media controller support media: stm32-dcmi: add support of several sub-devices drivers/media/platform/Kconfig | 2 +- drivers/media/platform/stm32/stm32-dcmi.c | 283 +++++++++++++++++++++++++----- 2 files changed, 236 insertions(+), 49 deletions(-) -- 2.7.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel