diff options
Diffstat (limited to 'drivers/media/platform/soc_camera/soc_camera.c')
| -rw-r--r-- | drivers/media/platform/soc_camera/soc_camera.c | 21 |
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 f4308fed5431..8e61b976da19 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, |