diff options
| author | Steve Longerbeam <slongerbeam@gmail.com> | 2020-05-01 19:15:46 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2020-05-18 14:20:56 +0200 |
| commit | 612b385efb1e40ea65b6ae081b746bf2ec688a81 (patch) | |
| tree | 6887ddb30cdfe0c8a1897088692a77758ffc9f15 /drivers/media | |
| parent | 400a9034c466358c7ae25a47f948648db8735b57 (diff) | |
media: video-mux: 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 video-mux sink pad(s).
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>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/platform/video-mux.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/media/platform/video-mux.c b/drivers/media/platform/video-mux.c index 9f148f403603..53570250a25d 100644 --- a/drivers/media/platform/video-mux.c +++ b/drivers/media/platform/video-mux.c @@ -17,6 +17,7 @@ #include <media/v4l2-async.h> #include <media/v4l2-device.h> #include <media/v4l2-fwnode.h> +#include <media/v4l2-mc.h> #include <media/v4l2-subdev.h> struct video_mux { @@ -36,6 +37,12 @@ static const struct v4l2_mbus_framefmt video_mux_format_mbus_default = { .field = V4L2_FIELD_NONE, }; +static inline struct video_mux * +notifier_to_video_mux(struct v4l2_async_notifier *n) +{ + return container_of(n, struct video_mux, notifier); +} + static inline struct video_mux *v4l2_subdev_to_video_mux(struct v4l2_subdev *sd) { return container_of(sd, struct video_mux, subdev); @@ -332,6 +339,19 @@ static const struct v4l2_subdev_ops video_mux_subdev_ops = { .video = &video_mux_subdev_video_ops, }; +static int video_mux_notify_bound(struct v4l2_async_notifier *notifier, + struct v4l2_subdev *sd, + struct v4l2_async_subdev *asd) +{ + struct video_mux *vmux = notifier_to_video_mux(notifier); + + return v4l2_create_fwnode_links(sd, &vmux->subdev); +} + +static const struct v4l2_async_notifier_operations video_mux_notify_ops = { + .bound = video_mux_notify_bound, +}; + static int video_mux_async_register(struct video_mux *vmux, unsigned int num_input_pads) { @@ -369,6 +389,8 @@ static int video_mux_async_register(struct video_mux *vmux, } } + vmux->notifier.ops = &video_mux_notify_ops; + ret = v4l2_async_subdev_notifier_register(&vmux->subdev, &vmux->notifier); if (ret) |