static int isp_video_release(struct file *file) { struct fimc_isp *isp = video_drvdata(file); struct fimc_is_video *ivc = &isp->video_capture; struct media_entity *entity = &ivc->ve.vdev.entity; struct media_device *mdev = entity->graph_obj.mdev; mutex_lock(&isp->video_lock); if (v4l2_fh_is_singular_file(file) && ivc->streaming) { media_entity_pipeline_stop(entity); ivc->streaming = 0; } vb2_fop_release(file); if (v4l2_fh_is_singular_file(file)) { fimc_pipeline_call(&ivc->ve, close); mutex_lock(&mdev->graph_mutex); entity->use_count--; mutex_unlock(&mdev->graph_mutex); } pm_runtime_put(&isp->pdev->dev); mutex_unlock(&isp->video_lock); return 0; }
static int video_release(struct file *file) { struct video_device *vdev = video_devdata(file); vb2_fop_release(file); v4l2_pipeline_pm_use(&vdev->entity, 0); file->private_data = NULL; return 0; }
static int vivid_fop_release(struct file *file) { struct vivid_dev *dev = video_drvdata(file); struct video_device *vdev = video_devdata(file); mutex_lock(&dev->mutex); if (!no_error_inj && v4l2_fh_is_singular_file(file) && !video_is_registered(vdev) && vivid_is_last_user(dev)) { /* * I am the last user of this driver, and a disconnect * was forced (since this video_device is unregistered), * so re-register all video_device's again. */ v4l2_info(&dev->v4l2_dev, "reconnect\n"); set_bit(V4L2_FL_REGISTERED, &dev->vid_cap_dev.flags); set_bit(V4L2_FL_REGISTERED, &dev->vid_out_dev.flags); set_bit(V4L2_FL_REGISTERED, &dev->vbi_cap_dev.flags); set_bit(V4L2_FL_REGISTERED, &dev->vbi_out_dev.flags); set_bit(V4L2_FL_REGISTERED, &dev->sdr_cap_dev.flags); set_bit(V4L2_FL_REGISTERED, &dev->radio_rx_dev.flags); set_bit(V4L2_FL_REGISTERED, &dev->radio_tx_dev.flags); } mutex_unlock(&dev->mutex); if (file->private_data == dev->overlay_cap_owner) dev->overlay_cap_owner = NULL; if (file->private_data == dev->radio_rx_rds_owner) { dev->radio_rx_rds_last_block = 0; dev->radio_rx_rds_owner = NULL; } if (file->private_data == dev->radio_tx_rds_owner) { dev->radio_tx_rds_last_block = 0; dev->radio_tx_rds_owner = NULL; } if (vdev->queue) return vb2_fop_release(file); return v4l2_fh_release(file); }