static int vivid_streaming_s_ctrl(struct v4l2_ctrl *ctrl)
{
struct vivid_dev *dev = container_of(ctrl->handler, struct vivid_dev, ctrl_hdl_streaming);
struct timeval tv;
switch (ctrl->id) {
case VIVID_CID_DQBUF_ERROR:
dev->dqbuf_error = true;
break;
case VIVID_CID_PERC_DROPPED:
dev->perc_dropped_buffers = ctrl->val;
break;
case VIVID_CID_QUEUE_SETUP_ERROR:
dev->queue_setup_error = true;
break;
case VIVID_CID_BUF_PREPARE_ERROR:
dev->buf_prepare_error = true;
break;
case VIVID_CID_START_STR_ERROR:
dev->start_streaming_error = true;
break;
case VIVID_CID_QUEUE_ERROR:
if (vb2_start_streaming_called(&dev->vb_vid_cap_q))
vb2_queue_error(&dev->vb_vid_cap_q);
if (vb2_start_streaming_called(&dev->vb_vbi_cap_q))
vb2_queue_error(&dev->vb_vbi_cap_q);
if (vb2_start_streaming_called(&dev->vb_vid_out_q))
vb2_queue_error(&dev->vb_vid_out_q);
if (vb2_start_streaming_called(&dev->vb_vbi_out_q))
vb2_queue_error(&dev->vb_vbi_out_q);
if (vb2_start_streaming_called(&dev->vb_sdr_cap_q))
vb2_queue_error(&dev->vb_sdr_cap_q);
break;
case VIVID_CID_SEQ_WRAP:
dev->seq_wrap = ctrl->val;
break;
case VIVID_CID_TIME_WRAP:
dev->time_wrap = ctrl->val;
if (ctrl->val == 0) {
dev->time_wrap_offset = 0;
break;
}
v4l2_get_timestamp(&tv);
dev->time_wrap_offset = -tv.tv_sec - 16;
break;
}
return 0;
}
int vb2_thread_stop(struct vb2_queue *q)
{
struct vb2_threadio_data *threadio = q->threadio;
int err;
if (threadio == NULL)
return 0;
threadio->stop = true;
/* Wake up all pending sleeps in the thread */
vb2_queue_error(q);
err = kthread_stop(threadio->thread);
__vb2_cleanup_fileio(q);
threadio->thread = NULL;
kfree(threadio);
q->threadio = NULL;
return err;
}
/*
* omap4iss_video_cancel_stream - Cancel stream on a video node
* @video: ISS video object
*
* Cancelling a stream mark all buffers on the video node as erroneous and makes
* sure no new buffer can be queued.
*/
void omap4iss_video_cancel_stream(struct iss_video *video)
{
unsigned long flags;
spin_lock_irqsave(&video->qlock, flags);
while (!list_empty(&video->dmaqueue)) {
struct iss_buffer *buf;
buf = list_first_entry(&video->dmaqueue, struct iss_buffer,
list);
list_del(&buf->list);
vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
}
vb2_queue_error(video->queue);
video->error = true;
spin_unlock_irqrestore(&video->qlock, flags);
}