diff options
| author | Frank Schaefer <fschaefer.oss@googlemail.com> | 2013-02-07 20:39:10 +0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2013-03-04 20:36:40 +0400 |
| commit | 66df67b764f6013e557ac41aa9e9474c87a9a99b (patch) | |
| tree | b4ebd9fa9f51f0802346a9e6b4c60aaf0413f21e /drivers/media/usb/em28xx | |
| parent | 6e46daba562e44eee3009e4055a016a1c4bbb378 (diff) | |
| download | linux-66df67b764f6013e557ac41aa9e9474c87a9a99b.tar.xz | |
[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>
Diffstat (limited to 'drivers/media/usb/em28xx')
| -rw-r--r-- | drivers/media/usb/em28xx/em28xx-video.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/media/usb/em28xx/em28xx-video.c b/drivers/media/usb/em28xx/em28xx-video.c index d1e6ba62e06c..a2216334d6f5 100644 --- a/drivers/media/usb/em28xx/em28xx-video.c +++ b/drivers/media/usb/em28xx/em28xx-video.c @@ -1899,6 +1899,12 @@ int em28xx_register_analog_devices(struct em28xx *dev) v4l2_disable_ioctl(dev->vdev, VIDIOC_G_STD); v4l2_disable_ioctl(dev->vdev, VIDIOC_S_STD); } + if (dev->tuner_type == TUNER_ABSENT) { + v4l2_disable_ioctl(dev->vdev, VIDIOC_G_TUNER); + v4l2_disable_ioctl(dev->vdev, VIDIOC_S_TUNER); + v4l2_disable_ioctl(dev->vdev, VIDIOC_G_FREQUENCY); + v4l2_disable_ioctl(dev->vdev, VIDIOC_S_FREQUENCY); + } /* register v4l2 video video_device */ ret = video_register_device(dev->vdev, VFL_TYPE_GRABBER, @@ -1917,6 +1923,14 @@ int em28xx_register_analog_devices(struct em28xx *dev) dev->vbi_dev->queue = &dev->vb_vbiq; dev->vbi_dev->queue->lock = &dev->vb_vbi_queue_lock; + /* disable inapplicable ioctls */ + if (dev->tuner_type == TUNER_ABSENT) { + v4l2_disable_ioctl(dev->vbi_dev, VIDIOC_G_TUNER); + v4l2_disable_ioctl(dev->vbi_dev, VIDIOC_S_TUNER); + v4l2_disable_ioctl(dev->vbi_dev, VIDIOC_G_FREQUENCY); + v4l2_disable_ioctl(dev->vbi_dev, VIDIOC_S_FREQUENCY); + } + /* register v4l2 vbi video_device */ ret = video_register_device(dev->vbi_dev, VFL_TYPE_VBI, vbi_nr[dev->devno]); |