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- "Lad, Prabhakar"
- "Lad, Prabhakar"
- "Lad, Prabhakar"
- "Lad, Prabhakar"
- "Lad, Prabhakar"
- "Lad, Prabhakar"
- "Lad, Prabhakar"
- "Lad, Prabhakar"
- "Lad, Prabhakar"
- "Lad, Prabhakar"
- "Lad, Prabhakar"
- "Lad, Prabhakar"
- "Lad, Prabhakar"
- "Lad, Prabhakar"
- "Lad, Prabhakar"
- "Lad, Prabhakar"
- Scott Jiang
- "Lad, Prabhakar"
Patch in this message | | | From | "Lad, Prabhakar" <> | Subject | [PATCH 04/15] media: blackfin: bfin_capture: improve buf_prepare() callback | Date | Sat, 20 Dec 2014 16:17:31 +0530 |
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this patch improves the buf_prepare() callback.
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com> --- drivers/media/platform/blackfin/bfin_capture.c | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-)
diff --git a/drivers/media/platform/blackfin/bfin_capture.c b/drivers/media/platform/blackfin/bfin_capture.c index a997eac..8bd94a1 100644 --- a/drivers/media/platform/blackfin/bfin_capture.c +++ b/drivers/media/platform/blackfin/bfin_capture.c @@ -305,16 +305,12 @@ static int bcap_queue_setup(struct vb2_queue *vq, static int bcap_buffer_prepare(struct vb2_buffer *vb) { struct bcap_device *bcap_dev = vb2_get_drv_priv(vb->vb2_queue); - struct bcap_buffer *buf = to_bcap_vb(vb); - unsigned long size; - size = bcap_dev->fmt.sizeimage; - if (vb2_plane_size(vb, 0) < size) { - v4l2_err(&bcap_dev->v4l2_dev, "buffer too small (%lu < %lu)\n", - vb2_plane_size(vb, 0), size); + vb2_set_plane_payload(vb, 0, bcap_dev->fmt.sizeimage); + if (vb2_get_plane_payload(vb, 0) > vb2_plane_size(vb, 0)) return -EINVAL; - } - vb2_set_plane_payload(&buf->vb, 0, size); + + vb->v4l2_buf.field = bcap_dev->fmt.field; return 0; } -- 1.9.1
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