diff options
| author | Hans Verkuil <hans.verkuil@cisco.com> | 2013-03-15 09:10:40 (GMT) |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2013-03-24 09:47:00 (GMT) |
| commit | 314527acbbb3f33f72c2ef19d8cfabcada9912a5 (patch) | |
| tree | 871021b9e888444f9f71f5c12ecf0272d77fdf8d /drivers/staging/media/go7007 | |
| parent | 2f73c7c582a685b3198b974cd6d964d0338f8ab5 (diff) | |
| download | linux-fsl-qoriq-314527acbbb3f33f72c2ef19d8cfabcada9912a5.tar.xz | |
[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/staging/media/go7007')
| -rw-r--r-- | drivers/staging/media/go7007/go7007-v4l2.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/staging/media/go7007/go7007-v4l2.c b/drivers/staging/media/go7007/go7007-v4l2.c index 4e477f3..29fe94d 100644 --- a/drivers/staging/media/go7007/go7007-v4l2.c +++ b/drivers/staging/media/go7007/go7007-v4l2.c @@ -1117,40 +1117,40 @@ static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *std) return 0; } -static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *std) +static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id std) { struct go7007 *go = ((struct go7007_file *) priv)->go; if (go->streaming) return -EBUSY; - if (!(go->board_info->sensor_flags & GO7007_SENSOR_TV) && *std != 0) + if (!(go->board_info->sensor_flags & GO7007_SENSOR_TV) && std != 0) return -EINVAL; - if (*std == 0) + if (std == 0) return -EINVAL; if ((go->board_info->flags & GO7007_BOARD_HAS_TUNER) && go->input == go->board_info->num_inputs - 1) { if (!go->i2c_adapter_online) return -EIO; - if (call_all(&go->v4l2_dev, core, s_std, *std) < 0) + if (call_all(&go->v4l2_dev, core, s_std, std) < 0) return -EINVAL; } - if (*std & V4L2_STD_NTSC) { + if (std & V4L2_STD_NTSC) { go->standard = GO7007_STD_NTSC; go->sensor_framerate = 30000; - } else if (*std & V4L2_STD_PAL) { + } else if (std & V4L2_STD_PAL) { go->standard = GO7007_STD_PAL; go->sensor_framerate = 25025; - } else if (*std & V4L2_STD_SECAM) { + } else if (std & V4L2_STD_SECAM) { go->standard = GO7007_STD_PAL; go->sensor_framerate = 25025; } else return -EINVAL; - call_all(&go->v4l2_dev, core, s_std, *std); + call_all(&go->v4l2_dev, core, s_std, std); set_capture_size(go, NULL, 0); return 0; |