int vb2_fop_release(struct file *file)
{
struct video_device *vdev = video_devdata(file);
struct mutex *lock = vdev->queue->lock ? vdev->queue->lock : vdev->lock;
return _vb2_fop_release(file, lock);
}
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;
}
static int rvin_release(struct file *file)
{
struct rvin_dev *vin = video_drvdata(file);
bool fh_singular;
int ret;
mutex_lock(&vin->lock);
/* Save the singular status before we call the clean-up helper */
fh_singular = v4l2_fh_is_singular_file(file);
/* the release helper will cleanup any on-going streaming */
ret = _vb2_fop_release(file, NULL);
/*
* If this was the last open file.
* Then de-initialize hw module.
*/
if (fh_singular) {
pm_runtime_suspend(&vin->vdev.dev);
pm_runtime_disable(&vin->vdev.dev);
rvin_power_off(vin);
}
mutex_unlock(&vin->lock);
return ret;
}
static int rvin_mc_release(struct file *file)
{
struct rvin_dev *vin = video_drvdata(file);
int ret;
mutex_lock(&vin->lock);
/* the release helper will cleanup any on-going streaming. */
ret = _vb2_fop_release(file, NULL);
v4l2_pipeline_pm_use(&vin->vdev.entity, 0);
pm_runtime_put(vin->dev);
mutex_unlock(&vin->lock);
return ret;
}
