[media] s5p-fimc: Add support for the buffer timestamps and sequence

Add support for buffer timestamps and the sequence number in
the video capture driver.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/s5p-fimc/fimc-core.c

@@ -361,10 +361,20 @@ static void fimc_capture_irq_handler(struct fimc_dev *fimc)
 {
 	struct fimc_vid_cap *cap = &fimc->vid_cap;
 	struct fimc_vid_buffer *v_buf;
+	struct timeval *tv;
+	struct timespec ts;
 
 	if (!list_empty(&cap->active_buf_q) &&
 	    test_bit(ST_CAPT_RUN, &fimc->state)) {
+		ktime_get_real_ts(&ts);
+
 		v_buf = active_queue_pop(cap);
+
+		tv = &v_buf->vb.v4l2_buf.timestamp;
+		tv->tv_sec = ts.tv_sec;
+		tv->tv_usec = ts.tv_nsec / NSEC_PER_USEC;
+		v_buf->vb.v4l2_buf.sequence = cap->frame_count++;
+
 		vb2_buffer_done(&v_buf->vb, VB2_BUF_STATE_DONE);
 	}