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media: add flags field to struct media_v2_entity

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The v2 entity structure never exposed the entity flags, which made it
impossible to detect connector or default entities.

It is really trivial to just expose this information, so implement this.

Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Hans Verkuil 2018-02-28 05:41:11 -05:00 committed by Mauro Carvalho Chehab
parent b054900626
commit 588f4ee7e6
2 changed files with 12 additions and 1 deletions
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1
drivers/media/media-device.c
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@ -266,6 +266,7 @@ static long media_device_get_topology(struct media_device *mdev, void *arg)
memset(&kentity, 0, sizeof(kentity));
kentity.id = entity->graph_obj.id;
kentity.function = entity->function;
kentity.flags = entity->flags;
strlcpy(kentity.name, entity->name,
sizeof(kentity.name));

12
include/uapi/linux/media.h
View File

@ -280,11 +280,21 @@ struct media_links_enum {
* MC next gen API definitions
*/
/*
* Appeared in 4.19.0.
*
* The media_version argument comes from the media_version field in
* struct media_device_info.
*/
#define MEDIA_V2_ENTITY_HAS_FLAGS(media_version) \
((media_version) >= ((4 << 16) | (19 << 8) | 0))
struct media_v2_entity {
__u32 id;
char name[64];
__u32 function; /* Main function of the entity */
__u32 reserved[6];
__u32 flags;
__u32 reserved[5];
} __attribute__ ((packed));
/* Should match the specific fields at media_intf_devnode */