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 | |
| parent | 69aa6f4ec669b9121057cc9e32cb10b5f744f6d6 (diff) | |
| download | op-kernel-dev-b530a447bb588fdf43fdf4eb909e4ee1921d47ac.zip op-kernel-dev-b530a447bb588fdf43fdf4eb909e4ee1921d47ac.tar.gz | |
[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')
| -rw-r--r-- | drivers/media/pci/cx88/cx88-blackbird.c | 2 | ||||
| -rw-r--r-- | drivers/media/pci/cx88/cx88-video.c | 10 | ||||
| -rw-r--r-- | drivers/media/pci/cx88/cx88.h | 2 |
3 files changed, 8 insertions, 6 deletions
diff --git a/drivers/media/pci/cx88/cx88-blackbird.c b/drivers/media/pci/cx88/cx88-blackbird.c index a6ff8a6..82aa11f 100644 --- a/drivers/media/pci/cx88/cx88-blackbird.c +++ b/drivers/media/pci/cx88/cx88-blackbird.c @@ -815,7 +815,7 @@ static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) } static int vidioc_s_frequency (struct file *file, void *priv, - struct v4l2_frequency *f) + const struct v4l2_frequency *f) { struct cx8802_fh *fh = priv; struct cx8802_dev *dev = fh->dev; diff --git a/drivers/media/pci/cx88/cx88-video.c b/drivers/media/pci/cx88/cx88-video.c index bc78354..4f10875 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; diff --git a/drivers/media/pci/cx88/cx88.h b/drivers/media/pci/cx88/cx88.h index feff53c..eca02c2 100644 --- a/drivers/media/pci/cx88/cx88.h +++ b/drivers/media/pci/cx88/cx88.h @@ -740,7 +740,7 @@ void cx8802_cancel_buffers(struct cx8802_dev *dev); /* ----------------------------------------------------------- */ /* cx88-video.c*/ int cx88_enum_input (struct cx88_core *core,struct v4l2_input *i); -int cx88_set_freq (struct cx88_core *core,struct v4l2_frequency *f); +int cx88_set_freq(struct cx88_core *core, const struct v4l2_frequency *f); int cx88_video_mux(struct cx88_core *core, unsigned int input); void cx88_querycap(struct file *file, struct cx88_core *core, struct v4l2_capability *cap); |
