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Subject: media: video-mux: Create media links in bound notifier Author: Steve Longerbeam <[email protected]> Date: Fri May 1 19:15:46 2020 +0200 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 <[email protected]> Signed-off-by: Sakari Ailus <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> drivers/media/platform/video-mux.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) --- 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) _______________________________________________ linuxtv-commits mailing list [email protected] https://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
