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[73.202.231.77]) by smtp.googlemail.com with ESMTPSA id 30sm31296349pjk.17.2019.08.05.16.35.35 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Mon, 05 Aug 2019 16:35:35 -0700 (PDT) From: Steve Longerbeam To: linux-media@vger.kernel.org Subject: [PATCH 18/22] media: imx: csi: Create media links in bound notifier Date: Mon, 5 Aug 2019 16:35:01 -0700 Message-Id: <20190805233505.21167-19-slongerbeam@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190805233505.21167-1-slongerbeam@gmail.com> References: <20190805233505.21167-1-slongerbeam@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190805_163537_432944_4E3FE2C4 X-CRM114-Status: GOOD ( 11.36 ) 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 , Pengutronix Kernel Team , Greg Kroah-Hartman , Sascha Hauer , open list , NXP Linux Team , Philipp Zabel , Steve Longerbeam , Mauro Carvalho Chehab , Shawn Guo , "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Implement a notifier bound op to register media links from the remote sub-device's source pad(s) to the CSI sink pad. Signed-off-by: Steve Longerbeam --- drivers/staging/media/imx/imx-media-csi.c | 24 +++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/drivers/staging/media/imx/imx-media-csi.c b/drivers/staging/media/imx/imx-media-csi.c index b39d79e63ac2..37b10cbf3c1a 100644 --- a/drivers/staging/media/imx/imx-media-csi.c +++ b/drivers/staging/media/imx/imx-media-csi.c @@ -120,6 +120,11 @@ static inline struct csi_priv *sd_to_dev(struct v4l2_subdev *sdev) return container_of(sdev, struct csi_priv, sd); } +static inline struct csi_priv *notifier_to_dev(struct v4l2_async_notifier *n) +{ + return container_of(n, struct csi_priv, notifier); +} + static inline bool is_parallel_bus(struct v4l2_fwnode_endpoint *ep) { return ep->bus_type != V4L2_MBUS_CSI2_DPHY; @@ -1895,6 +1900,23 @@ static int imx_csi_parse_endpoint(struct device *dev, return fwnode_device_is_available(asd->match.fwnode) ? 0 : -ENOTCONN; } +static int imx_csi_notify_bound(struct v4l2_async_notifier *notifier, + struct v4l2_subdev *sd, + struct v4l2_async_subdev *asd) +{ + struct csi_priv *priv = notifier_to_dev(notifier); + struct media_pad *sink = &priv->sd.entity.pads[CSI_SINK_PAD]; + + return media_create_fwnode_pad_links(sink, + dev_fwnode(priv->dev->parent), + &sd->entity, + dev_fwnode(sd->dev), 0); +} + +static const struct v4l2_async_notifier_operations csi_notify_ops = { + .bound = imx_csi_notify_bound, +}; + static int imx_csi_async_register(struct csi_priv *priv) { struct fwnode_handle *fwnode; @@ -1903,6 +1925,8 @@ static int imx_csi_async_register(struct csi_priv *priv) v4l2_async_notifier_init(&priv->notifier); + priv->notifier.ops = &csi_notify_ops; + fwnode = dev_fwnode(priv->dev); /* get this CSI's port id */