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Commit 7bcff1c2 authored by Hans Verkuil's avatar Hans Verkuil Committed by Mauro Carvalho Chehab
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[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: default avatarHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@osg.samsung.com>
parent e68cf471

drivers/media/platform/vim2m.c

+8 −0
Original line number Original line Diff line number Diff line
@@ -693,6 +693,8 @@ static const struct v4l2_ioctl_ops vim2m_ioctl_ops = { 
	.vidioc_querybuf	= v4l2_m2m_ioctl_querybuf,

	.vidioc_querybuf	= v4l2_m2m_ioctl_querybuf,

	.vidioc_qbuf		= v4l2_m2m_ioctl_qbuf,

	.vidioc_qbuf		= v4l2_m2m_ioctl_qbuf,

	.vidioc_dqbuf		= v4l2_m2m_ioctl_dqbuf,

	.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_expbuf		= v4l2_m2m_ioctl_expbuf,





	.vidioc_streamon	= v4l2_m2m_ioctl_streamon,

	.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;

	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)

	while (size * count > MEM2MEM_VID_MEM_LIMIT)

		(count)--;

		(count)--;