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Commit 3c44efd3 authored by Tomasz Stanislawski's avatar Tomasz Stanislawski Committed by Mauro Carvalho Chehab
Browse files

[media] v4l: s5p-tv: mixer: support for dmabuf exporting 



This patch enhances s5p-tv with support for DMABUF exporting via
VIDIOC_EXPBUF ioctl.

Signed-off-by: default avatarTomasz Stanislawski <t.stanislaws@samsung.com>
Signed-off-by: default avatarKyungmin Park <kyungmin.park@samsung.com>
Acked-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Tested-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent b28d61b6

drivers/media/platform/s5p-tv/mixer_video.c

+10 −0
Original line number Diff line number Diff line
@@ -697,6 +697,15 @@ static int mxr_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p) 
	return vb2_dqbuf(&layer->vb_queue, p, file->f_flags & O_NONBLOCK);

}



static int mxr_expbuf(struct file *file, void *priv,

	struct v4l2_exportbuffer *eb)

{

	struct mxr_layer *layer = video_drvdata(file);



	mxr_dbg(layer->mdev, "%s:%d\n", __func__, __LINE__);

	return vb2_expbuf(&layer->vb_queue, eb);

}



static int mxr_streamon(struct file *file, void *priv, enum v4l2_buf_type i)

{

	struct mxr_layer *layer = video_drvdata(file);
@@ -724,6 +733,7 @@ static const struct v4l2_ioctl_ops mxr_ioctl_ops = { 
	.vidioc_querybuf = mxr_querybuf,

	.vidioc_qbuf = mxr_qbuf,

	.vidioc_dqbuf = mxr_dqbuf,

	.vidioc_expbuf = mxr_expbuf,

	/* Streaming control */

	.vidioc_streamon = mxr_streamon,

	.vidioc_streamoff = mxr_streamoff,