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[73.202.231.77]) by smtp.googlemail.com with ESMTPSA id r20sm5367801pgo.74.2019.11.24.11.07.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 24 Nov 2019 11:07:32 -0800 (PST) From: Steve Longerbeam To: linux-media@vger.kernel.org Cc: Steve Longerbeam Subject: [PATCH v2 20/23] media: imx: csi: Create media links in bound notifier Date: Sun, 24 Nov 2019 11:07:00 -0800 Message-Id: <20191124190703.12138-21-slongerbeam@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191124190703.12138-1-slongerbeam@gmail.com> References: <20191124190703.12138-1-slongerbeam@gmail.com> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org 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 3e2afdd59276..e162f8aee164 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; @@ -1896,6 +1901,23 @@ 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; @@ -1904,6 +1926,8 @@ 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 */ -- 2.17.1