From: "Lad, Prabhakar" <prabhakar.csengg@xxxxxxxxx>
this patch adds support to set the v4l2 buffer sequence.
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@xxxxxxxxx>
Acked-by: Scott Jiang <scott.jiang.linux@xxxxxxxxx>
Tested-by: Scott Jiang <scott.jiang.linux@xxxxxxxxx>
---
drivers/media/platform/blackfin/bfin_capture.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/media/platform/blackfin/bfin_capture.c b/drivers/media/platform/blackfin/bfin_capture.c
index c3ede0d..306798e 100644
--- a/drivers/media/platform/blackfin/bfin_capture.c
+++ b/drivers/media/platform/blackfin/bfin_capture.c
@@ -103,6 +103,8 @@ struct bcap_device {
struct completion comp;
/* prepare to stop */
bool stop;
+ /* vb2 buffer sequence counter */
+ unsigned sequence;
};
static const struct bcap_format bcap_formats[] = {
@@ -333,6 +335,8 @@ static int bcap_start_streaming(struct vb2_queue *vq, unsigned int count)
goto err;
}
+ bcap_dev->sequence = 0;
+
reinit_completion(&bcap_dev->comp);
bcap_dev->stop = false;
@@ -411,6 +415,7 @@ static irqreturn_t bcap_isr(int irq, void *dev_id)
vb2_buffer_done(vb, VB2_BUF_STATE_ERROR);
ppi->err = false;
} else {
+ vb->v4l2_buf.sequence = bcap_dev->sequence++;
vb2_buffer_done(vb, VB2_BUF_STATE_DONE);
}
bcap_dev->cur_frm = list_entry(bcap_dev->dma_queue.next,
--
2.1.0
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