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[media] em28xx: disable ioctl VIDIOC_S_PARM for VBI devices

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VIDIOC_S_PARM doesn't make sense for VBI device nodes, because we don't support
selecting the number of read buffers to use.

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>
This commit is contained in:
Frank Schaefer 2013-02-07 13:39:13 -03:00 committed by Mauro Carvalho Chehab
parent 3bc85cce36
commit 83c8bcce06
1 changed files with 1 additions and 0 deletions
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drivers/media/usb/em28xx/em28xx-video.c
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@ -1920,6 +1920,7 @@ int em28xx_register_analog_devices(struct em28xx *dev)
dev->vbi_dev->queue->lock = &dev->vb_vbi_queue_lock;
/* disable inapplicable ioctls */
v4l2_disable_ioctl(dev->vdev, VIDIOC_S_PARM);
if (dev->tuner_type == TUNER_ABSENT) {
v4l2_disable_ioctl(dev->vbi_dev, VIDIOC_G_TUNER);
v4l2_disable_ioctl(dev->vbi_dev, VIDIOC_S_TUNER);