diff options
| author | Helen Fornazier <helen.koike@collabora.com> | 2017-06-19 14:00:14 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2017-06-23 09:05:38 -0300 |
| commit | 288a22d45c631f5be5e1c8b83977a78841083d3c (patch) | |
| tree | 976410940d5a414d438afbcc53eedb386c9dacd4 /drivers/media/platform/vimc/vimc-common.h | |
| parent | bf5fb95c261de259e912e49973c66347a0a5b3d3 (diff) | |
[media] vimc: common: Add vimc_link_validate
All links will be checked in the same way. Adding a helper function for
that
Signed-off-by: Helen Koike <helen.koike@collabora.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers/media/platform/vimc/vimc-common.h')
| -rw-r--r-- | drivers/media/platform/vimc/vimc-common.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/media/platform/vimc/vimc-common.h b/drivers/media/platform/vimc/vimc-common.h index 73e7e9479956..60ebde28f56b 100644 --- a/drivers/media/platform/vimc/vimc-common.h +++ b/drivers/media/platform/vimc/vimc-common.h @@ -45,6 +45,9 @@ struct vimc_pix_map { * @pads: the list of pads of the node * @destroy: callback to destroy the node * @process_frame: callback send a frame to that node + * @vdev_get_format: callback that returns the current format a pad, used + * only when is_media_entity_v4l2_video_device(ent) returns + * true * * Each node of the topology must create a vimc_ent_device struct. Depending on * the node it will be of an instance of v4l2_subdev or video_device struct @@ -60,6 +63,8 @@ struct vimc_ent_device { void (*destroy)(struct vimc_ent_device *); void (*process_frame)(struct vimc_ent_device *ved, struct media_pad *sink, const void *frame); + void (*vdev_get_format)(struct vimc_ent_device *ved, + struct v4l2_pix_format *fmt); }; /** @@ -160,4 +165,13 @@ int vimc_ent_sd_register(struct vimc_ent_device *ved, void vimc_ent_sd_unregister(struct vimc_ent_device *ved, struct v4l2_subdev *sd); +/** + * vimc_link_validate - validates a media link + * + * @link: pointer to &struct media_link + * + * This function calls validates if a media link is valid for streaming. + */ +int vimc_link_validate(struct media_link *link); + #endif |