/*
* omap3isp_video_resume - Perform resume operation on the buffers
* @video: ISP video object
* @continuous: Pipeline is in single shot mode if 0 or continuous mode otherwise
*
* This function is intended to be used on suspend/resume scenario. It
* requests video queue layer to discard buffers marked as DONE if it's in
* continuous mode and requests ISP modules to queue again the ACTIVE buffer
* if there's any.
*/
void omap3isp_video_resume(struct isp_video *video, int continuous)
{
struct isp_buffer *buf = NULL;
if (continuous && video->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
mutex_lock(&video->queue_lock);
vb2_discard_done(video->queue);
mutex_unlock(&video->queue_lock);
}
if (!list_empty(&video->dmaqueue)) {
buf = list_first_entry(&video->dmaqueue,
struct isp_buffer, irqlist);
video->ops->queue(video, buf);
video->dmaqueue_flags |= ISP_VIDEO_DMAQUEUE_QUEUED;
} else {
static int tw68_suspend(struct pci_dev *pci_dev , pm_message_t state)
{
struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
struct tw68_dev *dev = container_of(v4l2_dev,
struct tw68_dev, v4l2_dev);
tw_clearl(TW68_DMAC, TW68_DMAP_EN | TW68_FIFO_EN);
dev->pci_irqmask &= ~TW68_VID_INTS;
tw_writel(TW68_INTMASK, 0);
synchronize_irq(pci_dev->irq);
pci_save_state(pci_dev);
pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state));
vb2_discard_done(&dev->vidq);
return 0;
}
