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| author | Steve Longerbeam <slongerbeam@gmail.com> | 2020-05-01 20:15:47 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2020-05-18 15:21:17 +0300 |
| commit | 8b4713c9939b6aa638b95a97d6b30eadaae799b0 (patch) | |
| tree | d024c7d97c2cb884531d1de4b6cb2dabf137ab2d | |
| parent | 612b385efb1e40ea65b6ae081b746bf2ec688a81 (diff) | |
| download | linux-8b4713c9939b6aa638b95a97d6b30eadaae799b0.tar.xz | |
media: imx: mipi csi-2: Create media links in bound notifier
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 <slongerbeam@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
| -rw-r--r-- | drivers/staging/media/imx/imx6-mipi-csi2.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/staging/media/imx/imx6-mipi-csi2.c b/drivers/staging/media/imx/imx6-mipi-csi2.c index 23823c8c6c3d..94d87d27d389 100644 --- a/drivers/staging/media/imx/imx6-mipi-csi2.c +++ b/drivers/staging/media/imx/imx6-mipi-csi2.c @@ -14,6 +14,7 @@ #include <linux/platform_device.h> #include <media/v4l2-device.h> #include <media/v4l2-fwnode.h> +#include <media/v4l2-mc.h> #include <media/v4l2-subdev.h> #include "imx-media.h" @@ -91,6 +92,11 @@ 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: @@ -532,6 +538,20 @@ static const struct v4l2_subdev_internal_ops csi2_internal_ops = { .registered = csi2_registered, }; +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 v4l2_create_fwnode_links_to_pad(sd, sink); +} + +static const struct v4l2_async_notifier_operations csi2_notify_ops = { + .bound = csi2_notify_bound, +}; + static int csi2_async_register(struct csi2_dev *csi2) { struct v4l2_fwnode_endpoint vep = { @@ -570,6 +590,8 @@ static int csi2_async_register(struct csi2_dev *csi2) fwnode_handle_put(ep); + csi2->notifier.ops = &csi2_notify_ops; + ret = v4l2_async_subdev_notifier_register(&csi2->sd, &csi2->notifier); if (ret) |