Ejemplos de buffer_queue en C++ (Cpp)

Ejemplo n.º 1

static int fimc_lite_resume(struct device *dev)
{
	struct fimc_lite *fimc = dev_get_drvdata(dev);
	struct flite_buffer *buf;
	unsigned long flags;
	int i;

	spin_lock_irqsave(&fimc->slock, flags);
	if (!test_and_clear_bit(ST_LPM, &fimc->state) ||
	    !test_bit(ST_FLITE_IN_USE, &fimc->state)) {
		spin_unlock_irqrestore(&fimc->slock, flags);
		return 0;
	}
	flite_hw_reset(fimc);
	spin_unlock_irqrestore(&fimc->slock, flags);

	if (!test_and_clear_bit(ST_FLITE_SUSPENDED, &fimc->state))
		return 0;

	INIT_LIST_HEAD(&fimc->active_buf_q);
	fimc_pipeline_call(fimc, open, &fimc->pipeline,
			   &fimc->vfd.entity, false);
	fimc_lite_hw_init(fimc);
	clear_bit(ST_FLITE_SUSPENDED, &fimc->state);

	for (i = 0; i < fimc->reqbufs_count; i++) {
		if (list_empty(&fimc->pending_buf_q))
			break;
		buf = fimc_lite_pending_queue_pop(fimc);
		buffer_queue(&buf->vb);
	}
	return 0;
}

Ejemplo n.º 2

Archivo: fimc-capture.c Proyecto: artynet/linux-3.3.8

int fimc_capture_resume(struct fimc_dev *fimc)
{
	struct fimc_vid_cap *vid_cap = &fimc->vid_cap;
	struct fimc_vid_buffer *buf;
	int i;

	if (!test_and_clear_bit(ST_CAPT_SUSPENDED, &fimc->state))
		return 0;

	INIT_LIST_HEAD(&fimc->vid_cap.active_buf_q);
	vid_cap->buf_index = 0;
	fimc_pipeline_initialize(fimc, &fimc->vid_cap.vfd->entity,
				 false);
	fimc_init_capture(fimc);

	clear_bit(ST_CAPT_SUSPENDED, &fimc->state);

	for (i = 0; i < vid_cap->reqbufs_count; i++) {
		if (list_empty(&vid_cap->pending_buf_q))
			break;
		buf = fimc_pending_queue_pop(vid_cap);
		buffer_queue(&buf->vb);
	}
	return 0;

}