diff options
| author | Hans Verkuil <hans.verkuil@cisco.com> | 2013-03-19 04:09:26 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2013-03-24 06:25:34 -0300 |
| commit | b530a447bb588fdf43fdf4eb909e4ee1921d47ac (patch) | |
| tree | 8c9f6abb0f0c07ceea984a87fd80e9e65e7d483b /drivers/media/pci/cx88/cx88-video.c | |
| parent | 69aa6f4ec669b9121057cc9e32cb10b5f744f6d6 (diff) | |
[media] v4l2: add const to argument of write-only s_frequency ioctl
This ioctl is defined as IOW, so pass the argument as const.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/pci/cx88/cx88-video.c')
| -rw-r--r-- | drivers/media/pci/cx88/cx88-video.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/media/pci/cx88/cx88-video.c b/drivers/media/pci/cx88/cx88-video.c index bc78354262ac..4f10875295e8 100644 --- a/drivers/media/pci/cx88/cx88-video.c +++ b/drivers/media/pci/cx88/cx88-video.c @@ -1321,8 +1321,10 @@ static int vidioc_g_frequency (struct file *file, void *priv, } int cx88_set_freq (struct cx88_core *core, - struct v4l2_frequency *f) + const struct v4l2_frequency *f) { + struct v4l2_frequency new_freq = *f; + if (unlikely(UNSET == core->board.tuner_type)) return -EINVAL; if (unlikely(f->tuner != 0)) @@ -1331,8 +1333,8 @@ int cx88_set_freq (struct cx88_core *core, mutex_lock(&core->lock); cx88_newstation(core); call_all(core, tuner, s_frequency, f); - call_all(core, tuner, g_frequency, f); - core->freq = f->frequency; + call_all(core, tuner, g_frequency, &new_freq); + core->freq = new_freq.frequency; /* When changing channels it is required to reset TVAUDIO */ msleep (10); @@ -1345,7 +1347,7 @@ int cx88_set_freq (struct cx88_core *core, EXPORT_SYMBOL(cx88_set_freq); static int vidioc_s_frequency (struct file *file, void *priv, - struct v4l2_frequency *f) + const struct v4l2_frequency *f) { struct cx8800_fh *fh = priv; struct cx88_core *core = fh->dev->core; |