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[media] em28xx: use v4l2_disable_ioctl() to disable ioctl VIDIOC_S_PARM
Instead of checking the device type and returning -ENOTTY inside the ioctl function, use v4l2_disable_ioctl() to disable the ioctl VIDIOC_S_PARM if the device is not a camera. 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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@ -1044,9 +1044,6 @@ static int vidioc_s_parm(struct file *file, void *priv,
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struct em28xx_fh *fh = priv;
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struct em28xx *dev = fh->dev;
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if (!dev->board.is_webcam)
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return -ENOTTY;
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if (p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
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return -EINVAL;
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@ -1891,6 +1888,8 @@ int em28xx_register_analog_devices(struct em28xx *dev)
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v4l2_disable_ioctl(dev->vdev, VIDIOC_QUERYSTD);
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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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} else {
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v4l2_disable_ioctl(dev->vdev, VIDIOC_S_PARM);
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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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