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author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2024-01-15 01:30:02 +0300 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-04-03 16:28:17 +0300 |
commit | ebb6fb7f6265b180108f07508a2b6185d61aacbd (patch) | |
tree | 5ca0cb33a52d2f615963d4ede21d15d97524eb80 /include/media | |
parent | c95318607fbe8fdd44991a8dad2e44118e6b8812 (diff) | |
download | linux-ebb6fb7f6265b180108f07508a2b6185d61aacbd.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 'include/media')
-rw-r--r-- | include/media/media-entity.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/media/media-entity.h b/include/media/media-entity.h index 2b6cd343ee9e..4d95893c8984 100644 --- a/include/media/media-entity.h +++ b/include/media/media-entity.h @@ -225,6 +225,7 @@ enum media_pad_signal_type { * @graph_obj: Embedded structure containing the media object common data * @entity: Entity this pad belongs to * @index: Pad index in the entity pads array, numbered from 0 to n + * @num_links: Number of links connected to this pad * @sig_type: Type of the signal inside a media pad * @flags: Pad flags, as defined in * :ref:`include/uapi/linux/media.h <media_header>` @@ -236,6 +237,7 @@ struct media_pad { struct media_gobj graph_obj; /* must be first field in struct */ struct media_entity *entity; u16 index; + u16 num_links; enum media_pad_signal_type sig_type; unsigned long flags; |