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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2024-01-15 01:30:02 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-04-03 16:32:03 +0300
commite9847bb25034efc020d5250b4a512efb60369b7c (patch)
tree0814888899e152afa90636dfbca909f20941f9ce /include/media
parent91c8ce42fcde09f1da24acab9013b3e19cb88a4e (diff)
downloadlinux-e9847bb25034efc020d5250b4a512efb60369b7c.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.h2
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;