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-rw-r--r--include/media/media-entity.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/media/media-entity.h b/include/media/media-entity.h
index 0c003d817493..197f93799753 100644
--- a/include/media/media-entity.h
+++ b/include/media/media-entity.h
@@ -116,6 +116,13 @@ static inline u32 media_entity_subtype(struct media_entity *entity)
#define MEDIA_ENTITY_ENUM_MAX_DEPTH 16
#define MEDIA_ENTITY_ENUM_MAX_ID 64
+/*
+ * The number of pads can't be bigger than the number of entities,
+ * as the worse-case scenario is to have one entity linked up to
+ * MEDIA_ENTITY_ENUM_MAX_ID - 1 entities.
+ */
+#define MEDIA_ENTITY_MAX_PADS (MEDIA_ENTITY_ENUM_MAX_ID - 1)
+
struct media_entity_graph {
struct {
struct media_entity *entity;