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[73.202.231.77]) by smtp.googlemail.com with ESMTPSA id u2sm24607929pgj.7.2020.02.04.15.49.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 04 Feb 2020 15:49:47 -0800 (PST) From: Steve Longerbeam To: linux-media@vger.kernel.org, Rui Miguel Silva , Philipp Zabel Subject: [PATCH v3 08/17] media: imx: mipi csi-2: Create media links in bound notifier Date: Tue, 4 Feb 2020 15:49:09 -0800 Message-Id: <20200204234918.20425-9-slongerbeam@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200204234918.20425-1-slongerbeam@gmail.com> References: <20200204234918.20425-1-slongerbeam@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200204_154948_351286_FE606D7F X-CRM114-Status: GOOD ( 13.18 ) 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: "open list:STAGING SUBSYSTEM" , Fabio Estevam , Greg Kroah-Hartman , Sascha Hauer , open list , NXP Linux Team , Pengutronix Kernel Team , Steve Longerbeam , Mauro Carvalho Chehab , Shawn Guo , "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" MIME-Version: 1.0 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 Implement a notifier bound op to register media links from the remote sub-device's source pad(s) to the mipi csi-2 receiver sink pad. Signed-off-by: Steve Longerbeam --- Changes in v3: - call a local imx-media utility imx_media_create_fwnode_pad_link() that creates a single link. --- drivers/staging/media/imx/imx6-mipi-csi2.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/drivers/staging/media/imx/imx6-mipi-csi2.c b/drivers/staging/media/imx/imx6-mipi-csi2.c index e27a342751fc..fddf6388348a 100644 --- a/drivers/staging/media/imx/imx6-mipi-csi2.c +++ b/drivers/staging/media/imx/imx6-mipi-csi2.c @@ -91,6 +91,11 @@ static inline struct csi2_dev *sd_to_dev(struct v4l2_subdev *sdev) return container_of(sdev, struct csi2_dev, sd); } +static inline struct csi2_dev *notifier_to_dev(struct v4l2_async_notifier *n) +{ + return container_of(n, struct csi2_dev, notifier); +} + /* * The required sequence of MIPI CSI-2 startup as specified in the i.MX6 * reference manual is as follows: @@ -584,6 +589,20 @@ static int csi2_parse_endpoint(struct device *dev, return 0; } +static int csi2_notify_bound(struct v4l2_async_notifier *notifier, + struct v4l2_subdev *sd, + struct v4l2_async_subdev *asd) +{ + struct csi2_dev *csi2 = notifier_to_dev(notifier); + struct media_pad *sink = &csi2->sd.entity.pads[CSI2_SINK_PAD]; + + return imx_media_create_fwnode_pad_link(sd, sink); +} + +static const struct v4l2_async_notifier_operations csi2_notify_ops = { + .bound = csi2_notify_bound, +}; + static int csi2_probe(struct platform_device *pdev) { unsigned int sink_port = 0; @@ -667,6 +686,8 @@ static int csi2_probe(struct platform_device *pdev) v4l2_async_notifier_init(&csi2->notifier); + csi2->notifier.ops = &csi2_notify_ops; + ret = v4l2_async_register_fwnode_subdev( &csi2->sd, &csi2->notifier, sizeof(struct v4l2_async_subdev), &sink_port, 1, csi2_parse_endpoint); -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel