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/platform/sh_vou.c | |
| 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/platform/sh_vou.c')
| -rw-r--r-- | drivers/media/platform/sh_vou.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/media/platform/sh_vou.c b/drivers/media/platform/sh_vou.c index d853162586fa..8e3b95a6c29e 100644 --- a/drivers/media/platform/sh_vou.c +++ b/drivers/media/platform/sh_vou.c @@ -881,29 +881,29 @@ static u32 sh_vou_ntsc_mode(enum sh_vou_bus_fmt bus_fmt) } } -static int sh_vou_s_std(struct file *file, void *priv, v4l2_std_id *std_id) +static int sh_vou_s_std(struct file *file, void *priv, v4l2_std_id std_id) { struct sh_vou_device *vou_dev = video_drvdata(file); int ret; - dev_dbg(vou_dev->v4l2_dev.dev, "%s(): 0x%llx\n", __func__, *std_id); + dev_dbg(vou_dev->v4l2_dev.dev, "%s(): 0x%llx\n", __func__, std_id); - if (*std_id & ~vou_dev->vdev->tvnorms) + if (std_id & ~vou_dev->vdev->tvnorms) return -EINVAL; ret = v4l2_device_call_until_err(&vou_dev->v4l2_dev, 0, video, - s_std_output, *std_id); + s_std_output, std_id); /* Shall we continue, if the subdev doesn't support .s_std_output()? */ if (ret < 0 && ret != -ENOIOCTLCMD) return ret; - if (*std_id & V4L2_STD_525_60) + if (std_id & V4L2_STD_525_60) sh_vou_reg_ab_set(vou_dev, VOUCR, sh_vou_ntsc_mode(vou_dev->pdata->bus_fmt) << 29, 7 << 29); else sh_vou_reg_ab_set(vou_dev, VOUCR, 5 << 29, 7 << 29); - vou_dev->std = *std_id; + vou_dev->std = std_id; return 0; } |