As we'll be removing entity subtypes from the Kernel, we need
to provide a way for drivers and core to check if a given
entity is represented by a V4L2 subdev or if it is an V4L2
I/O entity (typically with DMA).
Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxx>
diff --git a/include/media/media-entity.h b/include/media/media-entity.h
index 35d97017dd19..952867571429 100644
--- a/include/media/media-entity.h
+++ b/include/media/media-entity.h
@@ -220,6 +220,39 @@ static inline u32 media_gobj_gen_id(enum media_gobj_type type, u32 local_id)
return id;
}
+static inline bool is_media_entity_v4l2_io(struct media_entity *entity)
+{
+ if (!entity)
+ return false;
+
+ switch (entity->type) {
+ case MEDIA_ENT_T_V4L2_VIDEO:
+ case MEDIA_ENT_T_V4L2_VBI:
+ case MEDIA_ENT_T_V4L2_SWRADIO:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static inline bool is_media_entity_v4l2_subdev(struct media_entity *entity)
+{
+ if (!entity)
+ return false;
+
+ switch (entity->type) {
+ case MEDIA_ENT_T_V4L2_SUBDEV_SENSOR:
+ case MEDIA_ENT_T_V4L2_SUBDEV_FLASH:
+ case MEDIA_ENT_T_V4L2_SUBDEV_LENS:
+ case MEDIA_ENT_T_V4L2_SUBDEV_DECODER:
+ case MEDIA_ENT_T_V4L2_SUBDEV_TUNER:
+ return true;
+
+ default:
+ return false;
+ }
+}
+
#define MEDIA_ENTITY_ENUM_MAX_DEPTH 16
#define MEDIA_ENTITY_ENUM_MAX_ID 64
--
2.4.3
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