diff options
| author | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2018-07-31 15:22:40 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2018-09-17 19:16:19 +0200 |
| commit | 9d6d20e652c0d304f98de30d51805658f98ba27d (patch) | |
| tree | a8b5a870f2ceb249c7d846fa9d78c06b50644477 /drivers/media/media-entity.c | |
| parent | media: v4l2: taint pads with the signal types for consumer devices (diff) | |
| download | linux-9d6d20e652c0d304f98de30d51805658f98ba27d.tar.xz linux-9d6d20e652c0d304f98de30d51805658f98ba27d.zip | |
media: v4l2-mc: switch it to use the new approach to setup pipelines
Instead of relying on a static map for pids, use the new sig_type
"taint" type to setup the pipelines with the same tipe between
different entities.
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers/media/media-entity.c')
| -rw-r--r-- | drivers/media/media-entity.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/media/media-entity.c b/drivers/media/media-entity.c index 3498551e618e..0b1cb3559140 100644 --- a/drivers/media/media-entity.c +++ b/drivers/media/media-entity.c @@ -662,6 +662,32 @@ static void __media_entity_remove_link(struct media_entity *entity, kfree(link); } +int media_get_pad_index(struct media_entity *entity, bool is_sink, + enum media_pad_signal_type sig_type) +{ + int i; + bool pad_is_sink; + + if (!entity) + return -EINVAL; + + for (i = 0; i < entity->num_pads; i++) { + if (entity->pads[i].flags == MEDIA_PAD_FL_SINK) + pad_is_sink = true; + else if (entity->pads[i].flags == MEDIA_PAD_FL_SOURCE) + pad_is_sink = false; + else + continue; /* This is an error! */ + + if (pad_is_sink != is_sink) + continue; + if (entity->pads[i].sig_type == sig_type) + return i; + } + return -EINVAL; +} +EXPORT_SYMBOL_GPL(media_get_pad_index); + int media_create_pad_link(struct media_entity *source, u16 source_pad, struct media_entity *sink, u16 sink_pad, u32 flags) |