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[media] em28xx: disable tuner related ioctls for video and VBI devices without tuner
Disable the ioctls VIDIOC_G_TUNER, VIDIOC_S_TUNER, VIDIOC_G_FREQUENCY and VIDIOC_S_FREQUENCY for video and VBI devices without tuner. Signed-off-by: Frank Schäfer <fschaefer.oss@googlemail.com> Acked-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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@ -1899,6 +1899,12 @@ int em28xx_register_analog_devices(struct em28xx *dev)
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v4l2_disable_ioctl(dev->vdev, VIDIOC_G_STD);
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v4l2_disable_ioctl(dev->vdev, VIDIOC_S_STD);
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}
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if (dev->tuner_type == TUNER_ABSENT) {
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v4l2_disable_ioctl(dev->vdev, VIDIOC_G_TUNER);
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v4l2_disable_ioctl(dev->vdev, VIDIOC_S_TUNER);
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v4l2_disable_ioctl(dev->vdev, VIDIOC_G_FREQUENCY);
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v4l2_disable_ioctl(dev->vdev, VIDIOC_S_FREQUENCY);
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}
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/* register v4l2 video video_device */
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ret = video_register_device(dev->vdev, VFL_TYPE_GRABBER,
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@ -1917,6 +1923,14 @@ int em28xx_register_analog_devices(struct em28xx *dev)
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dev->vbi_dev->queue = &dev->vb_vbiq;
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dev->vbi_dev->queue->lock = &dev->vb_vbi_queue_lock;
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/* disable inapplicable ioctls */
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if (dev->tuner_type == TUNER_ABSENT) {
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v4l2_disable_ioctl(dev->vbi_dev, VIDIOC_G_TUNER);
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v4l2_disable_ioctl(dev->vbi_dev, VIDIOC_S_TUNER);
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v4l2_disable_ioctl(dev->vbi_dev, VIDIOC_G_FREQUENCY);
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v4l2_disable_ioctl(dev->vbi_dev, VIDIOC_S_FREQUENCY);
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}
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/* register v4l2 vbi video_device */
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ret = video_register_device(dev->vbi_dev, VFL_TYPE_VBI,
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vbi_nr[dev->devno]);
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