diff options
| 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/s2255 | |
| parent | 2f73c7c582a685b3198b974cd6d964d0338f8ab5 (diff) | |
[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/s2255')
| -rw-r--r-- | drivers/media/usb/s2255/s2255drv.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/media/usb/s2255/s2255drv.c b/drivers/media/usb/s2255/s2255drv.c index 2bd86132d3e..ab97e7d0b4f 100644 --- a/drivers/media/usb/s2255/s2255drv.c +++ b/drivers/media/usb/s2255/s2255drv.c @@ -1294,7 +1294,7 @@ static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) return 0; } -static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *i) +static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id i) { struct s2255_fh *fh = priv; struct s2255_mode mode; @@ -1314,7 +1314,7 @@ static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *i) goto out_s_std; } mode = fh->channel->mode; - if (*i & V4L2_STD_525_60) { + if (i & V4L2_STD_525_60) { dprintk(4, "%s 60 Hz\n", __func__); /* if changing format, reset frame decimation/intervals */ if (mode.format != FORMAT_NTSC) { @@ -1324,7 +1324,7 @@ static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *i) channel->width = LINE_SZ_4CIFS_NTSC; channel->height = NUM_LINES_4CIFS_NTSC * 2; } - } else if (*i & V4L2_STD_625_50) { + } else if (i & V4L2_STD_625_50) { dprintk(4, "%s 50 Hz\n", __func__); if (mode.format != FORMAT_PAL) { mode.restart = 1; @@ -1337,7 +1337,7 @@ static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *i) ret = -EINVAL; goto out_s_std; } - fh->channel->std = *i; + fh->channel->std = i; if (mode.restart) s2255_set_mode(fh->channel, &mode); out_s_std: |