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/pci/ivtv/ivtv-ioctl.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/pci/ivtv/ivtv-ioctl.c')
| -rw-r--r-- | drivers/media/pci/ivtv/ivtv-ioctl.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/media/pci/ivtv/ivtv-ioctl.c b/drivers/media/pci/ivtv/ivtv-ioctl.c index 852f11e0d636..080f179070a6 100644 --- a/drivers/media/pci/ivtv/ivtv-ioctl.c +++ b/drivers/media/pci/ivtv/ivtv-ioctl.c @@ -1103,10 +1103,10 @@ static int ivtv_g_std(struct file *file, void *fh, v4l2_std_id *std) return 0; } -void ivtv_s_std_enc(struct ivtv *itv, v4l2_std_id *std) +void ivtv_s_std_enc(struct ivtv *itv, v4l2_std_id std) { - itv->std = *std; - itv->is_60hz = (*std & V4L2_STD_525_60) ? 1 : 0; + itv->std = std; + itv->is_60hz = (std & V4L2_STD_525_60) ? 1 : 0; itv->is_50hz = !itv->is_60hz; cx2341x_handler_set_50hz(&itv->cxhdl, itv->is_50hz); itv->cxhdl.width = 720; @@ -1122,15 +1122,15 @@ void ivtv_s_std_enc(struct ivtv *itv, v4l2_std_id *std) ivtv_call_all(itv, core, s_std, itv->std); } -void ivtv_s_std_dec(struct ivtv *itv, v4l2_std_id *std) +void ivtv_s_std_dec(struct ivtv *itv, v4l2_std_id std) { struct yuv_playback_info *yi = &itv->yuv_info; DEFINE_WAIT(wait); int f; /* set display standard */ - itv->std_out = *std; - itv->is_out_60hz = (*std & V4L2_STD_525_60) ? 1 : 0; + itv->std_out = std; + itv->is_out_60hz = (std & V4L2_STD_525_60) ? 1 : 0; itv->is_out_50hz = !itv->is_out_60hz; ivtv_call_all(itv, video, s_std_output, itv->std_out); @@ -1168,14 +1168,14 @@ void ivtv_s_std_dec(struct ivtv *itv, v4l2_std_id *std) } } -static int ivtv_s_std(struct file *file, void *fh, v4l2_std_id *std) +static int ivtv_s_std(struct file *file, void *fh, v4l2_std_id std) { struct ivtv *itv = fh2id(fh)->itv; - if ((*std & V4L2_STD_ALL) == 0) + if ((std & V4L2_STD_ALL) == 0) return -EINVAL; - if (*std == itv->std) + if (std == itv->std) return 0; if (test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags) || |