From: Hans Verkuil Date: Mon, 17 Feb 2014 11:44:14 +0000 (-0300) Subject: [media] soc_camera: disable STD ioctls if no tvnorms are set X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=f6cc51a9f428cfaacc733e9b97a0a1adbc198358;p=linux-beck.git [media] soc_camera: disable STD ioctls if no tvnorms are set If the sub-device did not report any tvnorms, then disable the STD ioctls. Signed-off-by: Hans Verkuil Tested-by: Laurent Pinchart Acked-by: Laurent Pinchart Signed-off-by: Guennadi Liakhovetski Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/platform/soc_camera/soc_camera.c b/drivers/media/platform/soc_camera/soc_camera.c index 4b8c024fc487..c8549bf3213b 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);