From: Hans Verkuil <hans.verk...@cisco.com> If the sub-device did not report any tvnorms, then disable the STD ioctls.
Signed-off-by: Hans Verkuil <hans.verk...@cisco.com> --- drivers/media/platform/soc_camera/soc_camera.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/media/platform/soc_camera/soc_camera.c b/drivers/media/platform/soc_camera/soc_camera.c index 4b8c024..c8549bf 100644 --- a/drivers/media/platform/soc_camera/soc_camera.c +++ b/drivers/media/platform/soc_camera/soc_camera.c @@ -1277,6 +1277,8 @@ static int soc_camera_probe_finish(struct soc_camera_device *icd) sd->grp_id = soc_camera_grp_id(icd); v4l2_set_subdev_hostdata(sd, icd); + v4l2_subdev_call(sd, video, g_tvnorms, &icd->vdev->tvnorms); + ret = v4l2_ctrl_add_handler(&icd->ctrl_handler, sd->ctrl_handler, NULL); if (ret < 0) return ret; @@ -1997,6 +1999,12 @@ static int soc_camera_video_start(struct soc_camera_device *icd) return -ENODEV; video_set_drvdata(icd->vdev, icd); + if (icd->vdev->tvnorms == 0) { + /* disable the STD API if there are no tvnorms defined */ + v4l2_disable_ioctl(icd->vdev, VIDIOC_G_STD); + v4l2_disable_ioctl(icd->vdev, VIDIOC_S_STD); + v4l2_disable_ioctl(icd->vdev, VIDIOC_ENUMSTD); + } ret = video_register_device(icd->vdev, VFL_TYPE_GRABBER, -1); if (ret < 0) { dev_err(icd->pdev, "video_register_device failed: %d\n", ret); -- 1.8.5.2 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html