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[media] v4l2-subdev: use MEDIA_ENT_T_UNKNOWN for new subdevs

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Instead of abusing MEDIA_ENT_T_V4L2_SUBDEV, initialize
new subdev entities as MEDIA_ENT_T_UNKNOWN.

Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Mauro Carvalho Chehab
2015-05-07 22:12:38 -03:00
parent bf4178a4c6
commit b50bde4e47
3 changed files with 21 additions and 1 deletions
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14
include/uapi/linux/media.h
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@@ -42,6 +42,14 @@ struct media_device_info {
#define MEDIA_ENT_ID_FLAG_NEXT (1 << 31)
/* Used values for media_entity_desc::type */
/*
* Initial value to be used when a new entity is created
* Drivers should change it to something useful
*/
#define MEDIA_ENT_T_UNKNOWN 0x00000000
/*
* Base numbers for entity types
*
@@ -76,6 +84,12 @@ struct media_device_info {
/* V4L2 Sub-device entities */
/*
* Subdevs are initialized with MEDIA_ENT_T_V4L2_SUBDEV_UNKNOWN,
* in order to preserve backward compatibility.
* Drivers should change to the proper subdev type before
* registering the entity.
*/
#define MEDIA_ENT_T_V4L2_SUBDEV_UNKNOWN MEDIA_ENT_T_V4L2_SUBDEV_BASE
#define MEDIA_ENT_T_V4L2_SUBDEV_SENSOR (MEDIA_ENT_T_V4L2_SUBDEV_BASE + 1)