diff options
Diffstat (limited to 'drivers/media/media-entity.c')
| -rw-r--r-- | drivers/media/media-entity.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/media/media-entity.c b/drivers/media/media-entity.c index 37c334edc7e8..4d8e01c7b1b2 100644 --- a/drivers/media/media-entity.c +++ b/drivers/media/media-entity.c @@ -279,8 +279,14 @@ __must_check int media_entity_pipeline_start(struct media_entity *entity, continue; ret = entity->ops->link_validate(link); - if (ret < 0 && ret != -ENOIOCTLCMD) + if (ret < 0 && ret != -ENOIOCTLCMD) { + dev_dbg(entity->parent->dev, + "link validation failed for \"%s\":%u -> \"%s\":%u, error %d\n", + entity->name, link->source->index, + link->sink->entity->name, + link->sink->index, ret); goto error; + } } /* Either no links or validated links are fine. */ @@ -288,6 +294,11 @@ __must_check int media_entity_pipeline_start(struct media_entity *entity, if (!bitmap_full(active, entity->num_pads)) { ret = -EPIPE; + dev_dbg(entity->parent->dev, + "\"%s\":%u must be connected by an enabled link\n", + entity->name, + (unsigned)find_first_zero_bit( + active, entity->num_pads)); goto error; } } |