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

Commit Message

Mauro Carvalho Chehab May 8, 2015, 1:12 a.m. UTC

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 <[e-mail]>

Patch

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