int dvb_vb2_expbuf(struct dvb_vb2_ctx *ctx, struct dmx_exportbuffer *exp)
{
struct vb2_queue *q = &ctx->vb_q;
int ret;
ret = vb2_core_expbuf(&ctx->vb_q, &exp->fd, q->type, exp->index,
0, exp->flags);
if (ret) {
dprintk(1, "[%s] index=%d errno=%d\n", ctx->name,
exp->index, ret);
return ret;
}
dprintk(3, "[%s] index=%d fd=%d\n", ctx->name, exp->index, exp->fd);
return 0;
}
/**
* vb2_expbuf() - Export a buffer as a file descriptor
* @q: videobuf2 queue
* @eb: export buffer structure passed from userspace to vidioc_expbuf
* handler in driver
*
* The return values from this function are intended to be directly returned
* from vidioc_expbuf handler in driver.
*/
int vb2_expbuf(struct vb2_queue *q, struct v4l2_exportbuffer *eb)
{
return vb2_core_expbuf(q, &eb->fd, eb->type, eb->index,
eb->plane, eb->flags);
}