diff options
| author | Hans Verkuil | 2013-03-15 10:10:40 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab | 2013-03-24 10:47:00 +0100 |
| commit | 314527acbbb3f33f72c2ef19d8cfabcada9912a5 (patch) | |
| tree | 871021b9e888444f9f71f5c12ecf0272d77fdf8d /drivers/media/pci/sta2x11/sta2x11_vip.c | |
| parent | [media] v4l2: add const to argument of write-only s_tuner ioctl (diff) | |
| download | kernel-qcow2-linux-314527acbbb3f33f72c2ef19d8cfabcada9912a5.tar.gz kernel-qcow2-linux-314527acbbb3f33f72c2ef19d8cfabcada9912a5.tar.xz kernel-qcow2-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/pci/sta2x11/sta2x11_vip.c')
| -rw-r--r-- | drivers/media/pci/sta2x11/sta2x11_vip.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/media/pci/sta2x11/sta2x11_vip.c b/drivers/media/pci/sta2x11/sta2x11_vip.c index 4b703fe8c953..7005695aa4bd 100644 --- a/drivers/media/pci/sta2x11/sta2x11_vip.c +++ b/drivers/media/pci/sta2x11/sta2x11_vip.c @@ -439,22 +439,22 @@ static int vidioc_querycap(struct file *file, void *priv, * * other, returned from video DAC. */ -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 sta2x11_vip *vip = video_drvdata(file); v4l2_std_id oldstd = vip->std, newstd; int status; - if (V4L2_STD_ALL == *std) { - v4l2_subdev_call(vip->decoder, core, s_std, *std); + if (V4L2_STD_ALL == std) { + v4l2_subdev_call(vip->decoder, core, s_std, std); ssleep(2); v4l2_subdev_call(vip->decoder, video, querystd, &newstd); v4l2_subdev_call(vip->decoder, video, g_input_status, &status); if (status & V4L2_IN_ST_NO_SIGNAL) return -EIO; - *std = vip->std = newstd; - if (oldstd != *std) { - if (V4L2_STD_525_60 & (*std)) + std = vip->std = newstd; + if (oldstd != std) { + if (V4L2_STD_525_60 & std) vip->format = formats_60[0]; else vip->format = formats_50[0]; @@ -462,14 +462,14 @@ static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *std) return 0; } - if (oldstd != *std) { - if (V4L2_STD_525_60 & (*std)) + if (oldstd != std) { + if (V4L2_STD_525_60 & std) vip->format = formats_60[0]; else vip->format = formats_50[0]; } - return v4l2_subdev_call(vip->decoder, core, s_std, *std); + return v4l2_subdev_call(vip->decoder, core, s_std, std); } /** |