diff options
Diffstat (limited to 'drivers/staging/media/omap4iss/iss_video.c')
| -rw-r--r-- | drivers/staging/media/omap4iss/iss_video.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/staging/media/omap4iss/iss_video.c b/drivers/staging/media/omap4iss/iss_video.c index 66975a37dc85..930f638f51eb 100644 --- a/drivers/staging/media/omap4iss/iss_video.c +++ b/drivers/staging/media/omap4iss/iss_video.c @@ -854,6 +854,7 @@ iss_video_streamon(struct file *file, void *fh, enum v4l2_buf_type type) struct iss_video *video = video_drvdata(file); struct media_graph graph; struct media_entity *entity = &video->video.entity; + struct media_device *mdev = entity->graph_obj.mdev; enum iss_pipeline_state state; struct iss_pipeline *pipe; struct iss_video *far_end; @@ -890,9 +891,11 @@ iss_video_streamon(struct file *file, void *fh, enum v4l2_buf_type type) if (ret < 0) goto err_media_pipeline_start; + mutex_lock(&mdev->graph_mutex); media_graph_walk_start(&graph, entity); while ((entity = media_graph_walk_next(&graph))) media_entity_enum_set(&pipe->ent_enum, entity); + mutex_unlock(&mdev->graph_mutex); /* * Verify that the currently configured format matches the output of |