[PATCH 09/18] media controller: add macros to check if subdev or A/V DMA

[Mauro Carvalho Chehab]

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 A/V
DMA.

Signed-off-by: Mauro Carvalho Chehab <mche...@osg.samsung.com>

diff --git a/include/media/media-entity.h b/include/media/media-entity.h
index 0c003d817493..f15b48145711 100644
--- a/include/media/media-entity.h
+++ b/include/media/media-entity.h
@@ -113,6 +113,35 @@ static inline u32 media_entity_subtype(struct media_entity 
*entity)
        return entity->type & MEDIA_ENT_SUBTYPE_MASK;
 }
 
+static inline bool is_media_entity_av_dma(struct media_entity *entity)
+{
+       if (!entity)
+               return false;
+
+       if (entity->type == MEDIA_ENT_T_AV_DMA)
+               return true;
+
+       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_CAM_SENSOR:
+       case MEDIA_ENT_T_CAM_FLASH:
+       case MEDIA_ENT_T_CAM_LENS:
+       case MEDIA_ENT_T_ATV_DECODER:
+       case MEDIA_ENT_T_TUNER:
+               return true;
+
+       default:
+               return false;
+       }
+}
+
 #define MEDIA_ENTITY_ENUM_MAX_DEPTH    16
 #define MEDIA_ENTITY_ENUM_MAX_ID       64
 
-- 
2.1.0

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