diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/staging/media/rkvdec/rkvdec.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/staging/media/rkvdec/rkvdec.c b/drivers/staging/media/rkvdec/rkvdec.c index 8c17615f3a7a..7131156c1f2c 100644 --- a/drivers/staging/media/rkvdec/rkvdec.c +++ b/drivers/staging/media/rkvdec/rkvdec.c @@ -481,7 +481,15 @@ static int rkvdec_buf_prepare(struct vb2_buffer *vb) if (vb2_plane_size(vb, i) < sizeimage) return -EINVAL; } - vb2_set_plane_payload(vb, 0, f->fmt.pix_mp.plane_fmt[0].sizeimage); + + /* + * Buffer's bytesused must be written by driver for CAPTURE buffers. + * (for OUTPUT buffers, if userspace passes 0 bytesused, v4l2-core sets + * it to buffer length). + */ + if (V4L2_TYPE_IS_CAPTURE(vq->type)) + vb2_set_plane_payload(vb, 0, f->fmt.pix_mp.plane_fmt[0].sizeimage); + return 0; } |