Signed-off-by: Krzysztof Hałasa <khalasa@xxxxxxx>
diff --git a/drivers/media/pci/tw686x/tw686x-video.c b/drivers/media/pci/tw686x/tw686x-video.c
index cfc15e7..d09a4b0 100644
--- a/drivers/media/pci/tw686x/tw686x-video.c
+++ b/drivers/media/pci/tw686x/tw686x-video.c
@@ -280,6 +280,7 @@ static int tw686x_start_streaming(struct vb2_queue *vq, unsigned int count)
spin_unlock(&vc->qlock);
dev->video_active |= 1 << vc->ch;
+ vc->seq = 0;
dma_ch_mask = reg_read(dev, DMA_CHANNEL_ENABLE) | (1 << vc->ch);
reg_write(dev, DMA_CHANNEL_ENABLE, dma_ch_mask);
reg_write(dev, DMA_CMD, (1 << 31) | dma_ch_mask);
@@ -591,6 +592,10 @@ static int video_thread(void *arg)
vb = &vc->curr_bufs[n]->vb;
v4l2_get_timestamp(&vb->timestamp);
vb->field = vc->field;
+ if (V4L2_FIELD_HAS_BOTH(vc->field))
+ vb->sequence = vc->seq++;
+ else
+ vb->sequence = (vc->seq++) / 2;
vb2_set_plane_payload(&vb->vb2_buf, 0, vc->width * vc->height * vc->format->depth / 8);
vb2_buffer_done(&vb->vb2_buf, VB2_BUF_STATE_DONE);
}
diff --git a/drivers/media/pci/tw686x/tw686x.h b/drivers/media/pci/tw686x/tw686x.h
index a7f1d18..540b0ad 100644
--- a/drivers/media/pci/tw686x/tw686x.h
+++ b/drivers/media/pci/tw686x/tw686x.h
@@ -66,6 +66,7 @@ struct tw686x_video_channel {
v4l2_std_id video_standard;
unsigned width, height;
enum v4l2_field field; /* supported TOP, BOTTOM, SEQ_TB and SEQ_BT */
+ unsigned seq; /* video field or frame counter */
unsigned ch;
};
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