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From: Philipp Zabel
To: linux-media@vger.kernel.org
Cc: Hans Verkuil , Pawel Osciak ,
Kamil Debski ,
Laurent Pinchart ,
Nicolas Dufresne ,
kernel@pengutronix.de, Philipp Zabel
Subject: [PATCH v2 4/5] [media] s5p-mfc: Set last buffer flag
Date: Wed, 4 Feb 2015 14:14:36 +0100
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Setting the last buffer flag causes the videobuf2 core to return -EPIPE from
DQBUF calls on the capture queue after the last buffer is dequeued.
Signed-off-by: Philipp Zabel
---
drivers/media/platform/s5p-mfc/s5p_mfc.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc.c b/drivers/media/platform/s5p-mfc/s5p_mfc.c
index 8e44a59..f08d639 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc.c
@@ -211,6 +211,7 @@ static void s5p_mfc_handle_frame_all_extracted(struct s5p_mfc_ctx *ctx)
dst_buf->b->v4l2_buf.field = V4L2_FIELD_NONE;
else
dst_buf->b->v4l2_buf.field = V4L2_FIELD_INTERLACED;
+ dst_buf->b->v4l2_buf.flags |= V4L2_BUF_FLAG_LAST;
ctx->dec_dst_flag &= ~(1 << dst_buf->b->v4l2_buf.index);
vb2_buffer_done(dst_buf->b, VB2_BUF_STATE_DONE);