diff options
Diffstat (limited to 'drivers/media/platform/omap3isp/isp.c')
| -rw-r--r-- | drivers/media/platform/omap3isp/isp.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/media/platform/omap3isp/isp.c b/drivers/media/platform/omap3isp/isp.c index a6bb7d9bf75f..53025c8c7531 100644 --- a/drivers/media/platform/omap3isp/isp.c +++ b/drivers/media/platform/omap3isp/isp.c @@ -691,6 +691,8 @@ static int isp_pipeline_enable(struct isp_pipeline *pipe, pipe->do_propagation = false; + mutex_lock(&isp->media_dev.graph_mutex); + entity = &pipe->output->video.entity; while (1) { pad = &entity->pads[0]; @@ -705,8 +707,10 @@ static int isp_pipeline_enable(struct isp_pipeline *pipe, subdev = media_entity_to_v4l2_subdev(entity); ret = v4l2_subdev_call(subdev, video, s_stream, mode); - if (ret < 0 && ret != -ENOIOCTLCMD) + if (ret < 0 && ret != -ENOIOCTLCMD) { + mutex_unlock(&isp->media_dev.graph_mutex); return ret; + } if (subdev == &isp->isp_ccdc.subdev) { v4l2_subdev_call(&isp->isp_aewb.subdev, video, @@ -723,6 +727,8 @@ static int isp_pipeline_enable(struct isp_pipeline *pipe, break; } + mutex_unlock(&isp->media_dev.graph_mutex); + return 0; } @@ -2028,6 +2034,8 @@ static int isp_subdev_notifier_complete(struct v4l2_async_notifier *async) struct v4l2_subdev *sd; int ret; + mutex_lock(&isp->media_dev.graph_mutex); + ret = media_entity_enum_init(&isp->crashed, &isp->media_dev); if (ret) return ret; @@ -2038,10 +2046,14 @@ static int isp_subdev_notifier_complete(struct v4l2_async_notifier *async) ret = isp_link_entity(isp, &sd->entity, v4l2_subdev_to_bus_cfg(sd)->interface); - if (ret < 0) + if (ret < 0) { + mutex_unlock(&isp->media_dev.graph_mutex); return ret; + } } + mutex_unlock(&isp->media_dev.graph_mutex); + ret = v4l2_device_register_subdev_nodes(&isp->v4l2_dev); if (ret < 0) return ret; |