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| author |   Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> | 2022-08-31 16:13:38 +0200 |
|---|---|---|
| committer |   Mauro Carvalho Chehab <mchehab@kernel.org> | 2022-09-24 09:20:30 +0200 |
| commit | 5b4f9a727532ff9732ffc1bceb2017260b81a0ff (patch) | |
| tree | 1c0551a3937588f9dce7894cfc74bdebc3c00fc2 /drivers/media | |
| parent | media: mc: entity: Rewrite media_pipeline_start() (diff) | |
| download | wireguard-linux-5b4f9a727532ff9732ffc1bceb2017260b81a0ff.tar.xz wireguard-linux-5b4f9a727532ff9732ffc1bceb2017260b81a0ff.zip | |
media: mc: entity: Add has_pad_interdep entity operation
Add a new media entity operation, has_pad_interdep. The optional op is
used to discover the pad interdependencies inside an entity during the
pipeline construction.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/mc/mc-entity.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/media/mc/mc-entity.c b/drivers/media/mc/mc-entity.c index 0a5c92b8bbce..831076b36847 100644 --- a/drivers/media/mc/mc-entity.c +++ b/drivers/media/mc/mc-entity.c @@ -232,7 +232,10 @@ EXPORT_SYMBOL_GPL(media_entity_pads_init); * and enabling one of the pads means that the other pad will become "locked" * and doesn't allow configuration changes. * - * For the time being all pads are considered interdependent. + * This function uses the &media_entity_operations.has_pad_interdep() operation + * to check the dependency inside the entity between @pad0 and @pad1. If the + * has_pad_interdep operation is not implemented, all pads of the entity are + * considered to be interdependent. */ static bool media_entity_has_pad_interdep(struct media_entity *entity, unsigned int pad0, unsigned int pad1) @@ -244,7 +247,10 @@ static bool media_entity_has_pad_interdep(struct media_entity *entity, (MEDIA_PAD_FL_SINK | MEDIA_PAD_FL_SOURCE)) return false; - return true; + if (!entity->ops || !entity->ops->has_pad_interdep) + return true; + + return entity->ops->has_pad_interdep(entity, pad0, pad1); } static struct media_entity * |