From: Hans Verkuil <hverkuil@xs4all.nl>
Date: Mon, 1 Jun 2015 11:18:31 +0000 (-0300)
Subject: [media] stk1160: add DMABUF support
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=ebbb5637558e6ff087f6f4cc74e1847bb6992f02;p=sagit-ice-cold%2Fkernel_xiaomi_msm8998.git

[media] stk1160: add DMABUF support

Implement DMABUF exporting and importing.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
---

diff --git a/drivers/media/usb/stk1160/stk1160-v4l.c b/drivers/media/usb/stk1160/stk1160-v4l.c
index 749ad5603c9e..4d313ed4c32e 100644
--- a/drivers/media/usb/stk1160/stk1160-v4l.c
+++ b/drivers/media/usb/stk1160/stk1160-v4l.c
@@ -500,6 +500,7 @@ static const struct v4l2_ioctl_ops stk1160_ioctl_ops = {
 	.vidioc_dqbuf         = vb2_ioctl_dqbuf,
 	.vidioc_streamon      = vb2_ioctl_streamon,
 	.vidioc_streamoff     = vb2_ioctl_streamoff,
+	.vidioc_expbuf        = vb2_ioctl_expbuf,
 
 	.vidioc_log_status  = v4l2_ctrl_log_status,
 	.vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
@@ -645,7 +646,7 @@ int stk1160_vb2_setup(struct stk1160 *dev)
 
 	q = &dev->vb_vidq;
 	q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-	q->io_modes = VB2_READ | VB2_MMAP | VB2_USERPTR;
+	q->io_modes = VB2_READ | VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
 	q->drv_priv = dev;
 	q->buf_struct_size = sizeof(struct stk1160_buffer);
 	q->ops = &stk1160_video_qops;