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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/cx231xx/cx231xx-video.c | |
| parent | 2f73c7c582a685b3198b974cd6d964d0338f8ab5 (diff) | |
| download | lwn-314527acbbb3f33f72c2ef19d8cfabcada9912a5.tar.gz lwn-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/cx231xx/cx231xx-video.c')
| -rw-r--r-- | drivers/media/usb/cx231xx/cx231xx-video.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/media/usb/cx231xx/cx231xx-video.c b/drivers/media/usb/cx231xx/cx231xx-video.c index 53020a7e01fe..4cff2f4075e1 100644 --- a/drivers/media/usb/cx231xx/cx231xx-video.c +++ b/drivers/media/usb/cx231xx/cx231xx-video.c @@ -987,7 +987,7 @@ static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id) 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 cx231xx_fh *fh = priv; struct cx231xx *dev = fh->dev; @@ -998,13 +998,13 @@ static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *norm) if (rc < 0) return rc; - if (dev->norm == *norm) + if (dev->norm == norm) return 0; if (videobuf_queue_is_busy(&fh->vb_vidq)) return -EBUSY; - dev->norm = *norm; + dev->norm = norm; /* Adjusts width/height, if needed */ dev->width = 720; |