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path: root/drivers/media/platform/soc_camera/soc_camera.c
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Diffstat (limited to 'drivers/media/platform/soc_camera/soc_camera.c')
-rw-r--r--drivers/media/platform/soc_camera/soc_camera.c21
1 files changed, 18 insertions, 3 deletions
diff --git a/drivers/media/platform/soc_camera/soc_camera.c b/drivers/media/platform/soc_camera/soc_camera.c
index f4308fe..8e61b97 100644
--- a/drivers/media/platform/soc_camera/soc_camera.c
+++ b/drivers/media/platform/soc_camera/soc_camera.c
@@ -437,6 +437,22 @@ static int soc_camera_prepare_buf(struct file *file, void *priv,
return vb2_prepare_buf(&icd->vb2_vidq, b);
}
+static int soc_camera_expbuf(struct file *file, void *priv,
+ struct v4l2_exportbuffer *p)
+{
+ struct soc_camera_device *icd = file->private_data;
+ struct soc_camera_host *ici = to_soc_camera_host(icd->parent);
+
+ if (icd->streamer != file)
+ return -EBUSY;
+
+ /* videobuf2 only */
+ if (ici->ops->init_videobuf)
+ return -EINVAL;
+ else
+ return vb2_expbuf(&icd->vb2_vidq, p);
+}
+
/* Always entered with .host_lock held */
static int soc_camera_init_user_formats(struct soc_camera_device *icd)
{
@@ -1347,13 +1363,11 @@ static int soc_camera_i2c_init(struct soc_camera_device *icd,
return -ENODEV;
}
- ssdd = kzalloc(sizeof(*ssdd), GFP_KERNEL);
+ ssdd = kmemdup(&sdesc->subdev_desc, sizeof(*ssdd), GFP_KERNEL);
if (!ssdd) {
ret = -ENOMEM;
goto ealloc;
}
-
- memcpy(ssdd, &sdesc->subdev_desc, sizeof(*ssdd));
/*
* In synchronous case we request regulators ourselves in
* soc_camera_pdrv_probe(), make sure the subdevice driver doesn't try
@@ -2085,6 +2099,7 @@ static const struct v4l2_ioctl_ops soc_camera_ioctl_ops = {
.vidioc_dqbuf = soc_camera_dqbuf,
.vidioc_create_bufs = soc_camera_create_bufs,
.vidioc_prepare_buf = soc_camera_prepare_buf,
+ .vidioc_expbuf = soc_camera_expbuf,
.vidioc_streamon = soc_camera_streamon,
.vidioc_streamoff = soc_camera_streamoff,
.vidioc_cropcap = soc_camera_cropcap,

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