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| author | Hans Verkuil <hans.verkuil@cisco.com> | 2013-03-15 06:10:40 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2013-03-24 06:47:00 -0300 |
| commit | 314527acbbb3f33f72c2ef19d8cfabcada9912a5 (patch) | |
| tree | 871021b9e888444f9f71f5c12ecf0272d77fdf8d /drivers/media/usb/em28xx | |
| parent | 2f73c7c582a685b3198b974cd6d964d0338f8ab5 (diff) | |
| download | blackbird-op-linux-314527acbbb3f33f72c2ef19d8cfabcada9912a5.tar.gz blackbird-op-linux-314527acbbb3f33f72c2ef19d8cfabcada9912a5.zip | |
[media] v4l2: pass std by value to the write-only s_std ioctl
This ioctl is defined as IOW, so pass the argument by value instead of by
reference. I could have chosen to add const instead, but this is 1) easier
to handle in drivers and 2) consistent with the s_std subdev operation.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Jonathan Corbet <corbet@lwn.net>
Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.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 | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/media/usb/em28xx/em28xx-video.c b/drivers/media/usb/em28xx/em28xx-video.c index 3ef696d36c7e..96d84c22ef00 100644 --- a/drivers/media/usb/em28xx/em28xx-video.c +++ b/drivers/media/usb/em28xx/em28xx-video.c @@ -996,23 +996,23 @@ static int vidioc_querystd(struct file *file, void *priv, v4l2_std_id *norm) return 0; } -static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *norm) +static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id norm) { struct em28xx_fh *fh = priv; struct em28xx *dev = fh->dev; struct v4l2_format f; - if (*norm == dev->norm) + if (norm == dev->norm) return 0; if (dev->streaming_users > 0) return -EBUSY; - dev->norm = *norm; + dev->norm = norm; /* Adjusts width/height, if needed */ f.fmt.pix.width = 720; - f.fmt.pix.height = (*norm & V4L2_STD_525_60) ? 480 : 576; + f.fmt.pix.height = (norm & V4L2_STD_525_60) ? 480 : 576; vidioc_try_fmt_vid_cap(file, priv, &f); /* set new image size */ |
