diff options
| author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2024-01-15 01:30:02 +0300 |
|---|---|---|
| committer | Hans Verkuil <hverkuil-cisco@xs4all.nl> | 2024-02-05 16:29:34 +0300 |
| commit | baeddf94aa61879b118f2faa37ed126d772670cc (patch) | |
| tree | e9360092fdf3f4f90f2871b0d23c57c58f9e8189 /drivers/media/mc/mc-entity.c | |
| parent | eb2f932100288dbb881eadfed02e1459c6b9504c (diff) | |
| download | linux-baeddf94aa61879b118f2faa37ed126d772670cc.tar.xz | |
media: mc: Add num_links flag to media_pad
Maintain a counter of the links connected to a pad in the media_pad
structure. This helps checking if a pad is connected to anything, which
will be used in the pipeline building code.
Cc: stable@vger.kernel.org # 6.1
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Diffstat (limited to 'drivers/media/mc/mc-entity.c')
| -rw-r--r-- | drivers/media/mc/mc-entity.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/media/mc/mc-entity.c b/drivers/media/mc/mc-entity.c index 7839e3f68efa..c2d8f59b62c1 100644 --- a/drivers/media/mc/mc-entity.c +++ b/drivers/media/mc/mc-entity.c @@ -1038,6 +1038,9 @@ static void __media_entity_remove_link(struct media_entity *entity, /* Remove the reverse links for a data link. */ if ((link->flags & MEDIA_LNK_FL_LINK_TYPE) == MEDIA_LNK_FL_DATA_LINK) { + link->source->num_links--; + link->sink->num_links--; + if (link->source->entity == entity) remote = link->sink->entity; else @@ -1143,6 +1146,9 @@ media_create_pad_link(struct media_entity *source, u16 source_pad, sink->num_links++; source->num_links++; + link->source->num_links++; + link->sink->num_links++; + return 0; } EXPORT_SYMBOL_GPL(media_create_pad_link); |