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| author | Hans Verkuil <hans.verkuil@cisco.com> | 2015-06-05 11:28:52 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2015-06-09 17:27:38 -0300 |
| commit | 7bcff1c242475ffc47e413ac7b1d7a3e3529b109 (patch) | |
| tree | 20b22a3c751dca5a8f6f5b4f5bdd6cc061d70064 /drivers/media/platform/vim2m.c | |
| parent | e68cf471e71d1e91c5661e1bb7595985158d59ae (diff) | |
| download | op-kernel-dev-7bcff1c242475ffc47e413ac7b1d7a3e3529b109.zip op-kernel-dev-7bcff1c242475ffc47e413ac7b1d7a3e3529b109.tar.gz | |
[media] vim2m: add create_bufs and prepare_buf support
Add support for the missing VIDIOC_CREATE_BUFS and VIDIOC_PREPARE_BUF
ioctls.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media/platform/vim2m.c')
| -rw-r--r-- | drivers/media/platform/vim2m.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/media/platform/vim2m.c b/drivers/media/platform/vim2m.c index cecfd75..295fde5 100644 --- a/drivers/media/platform/vim2m.c +++ b/drivers/media/platform/vim2m.c @@ -693,6 +693,8 @@ static const struct v4l2_ioctl_ops vim2m_ioctl_ops = { .vidioc_querybuf = v4l2_m2m_ioctl_querybuf, .vidioc_qbuf = v4l2_m2m_ioctl_qbuf, .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf, + .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf, + .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs, .vidioc_expbuf = v4l2_m2m_ioctl_expbuf, .vidioc_streamon = v4l2_m2m_ioctl_streamon, @@ -720,6 +722,12 @@ static int vim2m_queue_setup(struct vb2_queue *vq, size = q_data->width * q_data->height * q_data->fmt->depth >> 3; + if (fmt) { + if (fmt->fmt.pix.sizeimage < size) + return -EINVAL; + size = fmt->fmt.pix.sizeimage; + } + while (size * count > MEM2MEM_VID_MEM_LIMIT) (count)--; |
