예제 #1
0
static int fimc_lite_close(struct file *file)
{
	struct fimc_lite *fimc = video_drvdata(file);
	int ret;

	if (mutex_lock_interruptible(&fimc->lock))
		return -ERESTARTSYS;

	if (--fimc->ref_count == 0 && fimc->out_path == FIMC_IO_DMA) {
		clear_bit(ST_FLITE_IN_USE, &fimc->state);
		fimc_lite_stop_capture(fimc, false);
		fimc_pipeline_shutdown(&fimc->pipeline);
		clear_bit(ST_FLITE_SUSPENDED, &fimc->state);
	}

	pm_runtime_put(&fimc->pdev->dev);
	platform_sysmmu_off(&fimc->pdev->dev);
	if (fimc->ref_count == 0)
		vb2_queue_release(&fimc->vb_queue);

	ret = v4l2_fh_release(file);

	mutex_unlock(&fimc->lock);
	return ret;
}
예제 #2
0
파일: fimc-lite.c 프로젝트: 19Dan01/linux
static int fimc_lite_release(struct file *file)
{
	struct fimc_lite *fimc = video_drvdata(file);
	struct media_entity *entity = &fimc->ve.vdev.entity;

	mutex_lock(&fimc->lock);

	if (v4l2_fh_is_singular_file(file) &&
	    atomic_read(&fimc->out_path) == FIMC_IO_DMA) {
		if (fimc->streaming) {
			media_entity_pipeline_stop(entity);
			fimc->streaming = false;
		}
		fimc_lite_stop_capture(fimc, false);
		fimc_pipeline_call(&fimc->ve, close);
		clear_bit(ST_FLITE_IN_USE, &fimc->state);

		mutex_lock(&entity->parent->graph_mutex);
		entity->use_count--;
		mutex_unlock(&entity->parent->graph_mutex);
	}

	_vb2_fop_release(file, NULL);
	pm_runtime_put(&fimc->pdev->dev);
	clear_bit(ST_FLITE_SUSPENDED, &fimc->state);

	mutex_unlock(&fimc->lock);
	return 0;
}
예제 #3
0
static int stop_streaming(struct vb2_queue *q)
{
	struct fimc_lite *fimc = q->drv_priv;

	if (!fimc_lite_active(fimc))
		return -EINVAL;

	return fimc_lite_stop_capture(fimc, false);
}
예제 #4
0
파일: fimc-lite.c 프로젝트: 19Dan01/linux
static void stop_streaming(struct vb2_queue *q)
{
	struct fimc_lite *fimc = q->drv_priv;

	if (!fimc_lite_active(fimc))
		return;

	fimc_lite_stop_capture(fimc, false);
}
예제 #5
0
static int fimc_lite_suspend(struct device *dev)
{
	struct fimc_lite *fimc = dev_get_drvdata(dev);
	bool suspend = test_bit(ST_FLITE_IN_USE, &fimc->state);
	int ret;

	if (test_and_set_bit(ST_LPM, &fimc->state))
		return 0;

	ret = fimc_lite_stop_capture(fimc, suspend);
	if (ret < 0 || !fimc_lite_active(fimc))
		return ret;

	return fimc_pipeline_call(fimc, close, &fimc->pipeline);
}
예제 #6
0
static int fimc_lite_close(struct file *file)
{
	struct fimc_lite *fimc = video_drvdata(file);
	int ret;

	mutex_lock(&fimc->lock);

	if (--fimc->ref_count == 0 && fimc->out_path == FIMC_IO_DMA) {
		clear_bit(ST_FLITE_IN_USE, &fimc->state);
		fimc_lite_stop_capture(fimc, false);
		fimc_pipeline_call(fimc, close, &fimc->pipeline);
		clear_bit(ST_FLITE_SUSPENDED, &fimc->state);
	}

	pm_runtime_put(&fimc->pdev->dev);

	if (fimc->ref_count == 0)
		vb2_queue_release(&fimc->vb_queue);

	ret = v4l2_fh_release(file);

	mutex_unlock(&fimc->lock);
	return ret;
}