[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>
diff --git a/drivers/media/usb/au0828/au0828-video.c b/drivers/media/usb/au0828/au0828-video.c
index 8b9e826..b1d6b03 100644
--- a/drivers/media/usb/au0828/au0828-video.c
+++ b/drivers/media/usb/au0828/au0828-video.c
@@ -1545,7 +1545,7 @@
}
static int vidioc_s_frequency(struct file *file, void *priv,
- struct v4l2_frequency *freq)
+ const struct v4l2_frequency *freq)
{
struct au0828_fh *fh = priv;
struct au0828_dev *dev = fh->dev;
diff --git a/drivers/media/usb/cx231xx/cx231xx-video.c b/drivers/media/usb/cx231xx/cx231xx-video.c
index ac62008..96f6531 100644
--- a/drivers/media/usb/cx231xx/cx231xx-video.c
+++ b/drivers/media/usb/cx231xx/cx231xx-video.c
@@ -1172,10 +1172,11 @@
}
int cx231xx_s_frequency(struct file *file, void *priv,
- struct v4l2_frequency *f)
+ const struct v4l2_frequency *f)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
+ struct v4l2_frequency new_freq = *f;
int rc;
u32 if_frequency = 5400000;
@@ -1194,8 +1195,8 @@
rc = cx231xx_tuner_pre_channel_change(dev);
call_all(dev, tuner, s_frequency, f);
- call_all(dev, tuner, g_frequency, f);
- dev->ctl_freq = f->frequency;
+ call_all(dev, tuner, g_frequency, &new_freq);
+ dev->ctl_freq = new_freq.frequency;
/* set post channel change settings in DIF first */
rc = cx231xx_tuner_post_channel_change(dev);
diff --git a/drivers/media/usb/cx231xx/cx231xx.h b/drivers/media/usb/cx231xx/cx231xx.h
index dff3f1d..6f701e9 100644
--- a/drivers/media/usb/cx231xx/cx231xx.h
+++ b/drivers/media/usb/cx231xx/cx231xx.h
@@ -940,7 +940,7 @@
int cx231xx_g_frequency(struct file *file, void *priv,
struct v4l2_frequency *f);
int cx231xx_s_frequency(struct file *file, void *priv,
- struct v4l2_frequency *f);
+ const struct v4l2_frequency *f);
int cx231xx_enum_input(struct file *file, void *priv,
struct v4l2_input *i);
int cx231xx_g_input(struct file *file, void *priv, unsigned int *i);
diff --git a/drivers/media/usb/em28xx/em28xx-video.c b/drivers/media/usb/em28xx/em28xx-video.c
index d585c19..af79089 100644
--- a/drivers/media/usb/em28xx/em28xx-video.c
+++ b/drivers/media/usb/em28xx/em28xx-video.c
@@ -1221,8 +1221,9 @@
}
static int vidioc_s_frequency(struct file *file, void *priv,
- struct v4l2_frequency *f)
+ const struct v4l2_frequency *f)
{
+ struct v4l2_frequency new_freq = *f;
struct em28xx_fh *fh = priv;
struct em28xx *dev = fh->dev;
@@ -1230,8 +1231,8 @@
return -EINVAL;
v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, f);
- v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_frequency, f);
- dev->ctl_freq = f->frequency;
+ v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_frequency, &new_freq);
+ dev->ctl_freq = new_freq.frequency;
return 0;
}
diff --git a/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c b/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c
index 34c3b6e..75657c6 100644
--- a/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c
+++ b/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c
@@ -365,7 +365,7 @@
vt->audmode);
}
-static int pvr2_s_frequency(struct file *file, void *priv, struct v4l2_frequency *vf)
+static int pvr2_s_frequency(struct file *file, void *priv, const struct v4l2_frequency *vf)
{
struct pvr2_v4l2_fh *fh = file->private_data;
struct pvr2_hdw *hdw = fh->channel.mc_head->hdw;
diff --git a/drivers/media/usb/tlg2300/pd-radio.c b/drivers/media/usb/tlg2300/pd-radio.c
index 0f958f7..8b1daf1 100644
--- a/drivers/media/usb/tlg2300/pd-radio.c
+++ b/drivers/media/usb/tlg2300/pd-radio.c
@@ -252,7 +252,7 @@
}
static int fm_set_freq(struct file *file, void *priv,
- struct v4l2_frequency *argp)
+ const struct v4l2_frequency *argp)
{
struct poseidon *p = video_drvdata(file);
diff --git a/drivers/media/usb/tlg2300/pd-video.c b/drivers/media/usb/tlg2300/pd-video.c
index dab0ca3..8ef7c8c 100644
--- a/drivers/media/usb/tlg2300/pd-video.c
+++ b/drivers/media/usb/tlg2300/pd-video.c
@@ -1079,10 +1079,11 @@
}
static int vidioc_s_frequency(struct file *file, void *fh,
- struct v4l2_frequency *freq)
+ const struct v4l2_frequency *freq)
{
struct front_face *front = fh;
struct poseidon *pd = front->pd;
+ u32 frequency = freq->frequency;
if (freq->tuner)
return -EINVAL;
@@ -1090,7 +1091,7 @@
pd->pm_suspend = pm_video_suspend;
pd->pm_resume = pm_video_resume;
#endif
- return set_frequency(pd, &freq->frequency);
+ return set_frequency(pd, &frequency);
}
static int vidioc_reqbufs(struct file *file, void *fh,
diff --git a/drivers/media/usb/tm6000/tm6000-video.c b/drivers/media/usb/tm6000/tm6000-video.c
index 1a68579..49df753 100644
--- a/drivers/media/usb/tm6000/tm6000-video.c
+++ b/drivers/media/usb/tm6000/tm6000-video.c
@@ -1255,7 +1255,7 @@
}
static int vidioc_s_frequency(struct file *file, void *priv,
- struct v4l2_frequency *f)
+ const struct v4l2_frequency *f)
{
struct tm6000_fh *fh = priv;
struct tm6000_core *dev = fh->dev;
diff --git a/drivers/media/usb/usbvision/usbvision-video.c b/drivers/media/usb/usbvision/usbvision-video.c
index cd1fe78..b668445 100644
--- a/drivers/media/usb/usbvision/usbvision-video.c
+++ b/drivers/media/usb/usbvision/usbvision-video.c
@@ -657,7 +657,7 @@
}
static int vidioc_s_frequency(struct file *file, void *priv,
- struct v4l2_frequency *freq)
+ const struct v4l2_frequency *freq)
{
struct usb_usbvision *usbvision = video_drvdata(file);