diff options
| author | Frank Schaefer <fschaefer.oss@googlemail.com> | 2013-02-07 16:39:09 (GMT) |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2013-03-04 16:36:02 (GMT) |
| commit | 6e46daba562e44eee3009e4055a016a1c4bbb378 (patch) | |
| tree | 9debe3f6f49993e6af3432a585794d3a1657c7d9 | |
| parent | d34c353cd40ff0e6e5ed3753e80f6aa7eaa2c298 (diff) | |
| download | linux-6e46daba562e44eee3009e4055a016a1c4bbb378.tar.xz | |
[media] em28xx: use v4l2_disable_ioctl() to disable ioctls VIDIOC_QUERYSTD, VIDIOC_G/S_STD
Instead of checking the device type and returning -ENOTTY inside the ioctl
functions, use v4l2_disable_ioctl() to disable the ioctls VIDIOC_QUERYSTD,
VIDIOC_G_STD and VIDIOC_S_STD if the device is 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>
| -rw-r--r-- | drivers/media/usb/em28xx/em28xx-video.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/media/usb/em28xx/em28xx-video.c b/drivers/media/usb/em28xx/em28xx-video.c index 32bd7de..d1e6ba6 100644 --- a/drivers/media/usb/em28xx/em28xx-video.c +++ b/drivers/media/usb/em28xx/em28xx-video.c @@ -959,8 +959,6 @@ static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *norm) struct em28xx *dev = fh->dev; int rc; - if (dev->board.is_webcam) - return -ENOTTY; rc = check_dev(dev); if (rc < 0) return rc; @@ -976,8 +974,6 @@ static int vidioc_querystd(struct file *file, void *priv, v4l2_std_id *norm) struct em28xx *dev = fh->dev; int rc; - if (dev->board.is_webcam) - return -ENOTTY; rc = check_dev(dev); if (rc < 0) return rc; @@ -994,8 +990,6 @@ static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *norm) struct v4l2_format f; int rc; - if (dev->board.is_webcam) - return -ENOTTY; if (*norm == dev->norm) return 0; rc = check_dev(dev); @@ -1899,6 +1893,13 @@ int em28xx_register_analog_devices(struct em28xx *dev) dev->vdev->queue = &dev->vb_vidq; dev->vdev->queue->lock = &dev->vb_queue_lock; + /* disable inapplicable ioctls */ + if (dev->board.is_webcam) { + v4l2_disable_ioctl(dev->vdev, VIDIOC_QUERYSTD); + v4l2_disable_ioctl(dev->vdev, VIDIOC_G_STD); + v4l2_disable_ioctl(dev->vdev, VIDIOC_S_STD); + } + /* register v4l2 video video_device */ ret = video_register_device(dev->vdev, VFL_TYPE_GRABBER, video_nr[dev->devno]); |