diff options
| author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2024-01-15 01:30:02 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-04-03 16:19:25 +0300 |
| commit | cff51913c5cc42b45ea010e91eb0c1e349d4292f (patch) | |
| tree | 5ed39672d5032fe7d8539e0d298576ede98bbf62 /drivers/media | |
| parent | f29793c33984f4d41448ba55da7432b153dabd89 (diff) | |
| download | linux-cff51913c5cc42b45ea010e91eb0c1e349d4292f.tar.xz | |
media: mc: Add num_links flag to media_pad
[ Upstream commit baeddf94aa61879b118f2faa37ed126d772670cc ]
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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/media')
| -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 688780c8734d..c7cb49205b01 100644 --- a/drivers/media/mc/mc-entity.c +++ b/drivers/media/mc/mc-entity.c @@ -957,6 +957,9 @@ 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 @@ -1068,6 +1071,9 @@ 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); |