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| author | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2015-05-08 04:12:38 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2016-01-11 17:18:51 +0300 |
| commit | b50bde4e476dede4a28e9c8fdcd134da2f34ef2e (patch) | |
| tree | efa9c45a6e059bb84dd1636ee0fd009b275843ea /include | |
| parent | bf4178a4c63443da1475c9c1bbb39963e75aa69b (diff) | |
| download | linux-b50bde4e476dede4a28e9c8fdcd134da2f34ef2e.tar.xz | |
[media] v4l2-subdev: use MEDIA_ENT_T_UNKNOWN for new subdevs
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>
Diffstat (limited to 'include')
| -rw-r--r-- | include/uapi/linux/media.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/uapi/linux/media.h b/include/uapi/linux/media.h index c9314645d933..43109445d126 100644 --- a/include/uapi/linux/media.h +++ b/include/uapi/linux/media.h @@ -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) |