Now that entities have a main function, expose it via
MEDIA_IOC_G_TOPOLOGY ioctl.
Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxx>
diff --git a/drivers/media/media-device.c b/drivers/media/media-device.c
index ccef9621d147..32090030c342 100644
--- a/drivers/media/media-device.c
+++ b/drivers/media/media-device.c
@@ -263,6 +263,7 @@ static long __media_device_get_topology(struct media_device *mdev,
/* Copy fields to userspace struct if not error */
memset(&uentity, 0, sizeof(uentity));
uentity.id = entity->graph_obj.id;
+ uentity.function = entity->function;
strncpy(uentity.name, entity->name,
sizeof(uentity.name));
diff --git a/include/uapi/linux/media.h b/include/uapi/linux/media.h
index 69433405aec2..d232cc680c67 100644
--- a/include/uapi/linux/media.h
+++ b/include/uapi/linux/media.h
@@ -284,7 +284,8 @@ struct media_links_enum {
struct media_v2_entity {
__u32 id;
char name[64]; /* FIXME: move to a property? (RFC says so) */
- __u16 reserved[14];
+ __u32 function; /* Main function of the entity */
+ __u16 reserved[12];
};
/* Should match the specific fields at media_intf_devnode */
--
2.4.3
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