[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/pci/saa7146/mxb.c b/drivers/media/pci/saa7146/mxb.c
index 91369da..27dc49b 100644
--- a/drivers/media/pci/saa7146/mxb.c
+++ b/drivers/media/pci/saa7146/mxb.c
@@ -595,7 +595,7 @@
return 0;
}
-static int vidioc_s_frequency(struct file *file, void *fh, struct v4l2_frequency *f)
+static int vidioc_s_frequency(struct file *file, void *fh, const struct v4l2_frequency *f)
{
struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
struct mxb *mxb = (struct mxb *)dev->ext_priv;
@@ -612,8 +612,8 @@
/* tune in desired frequency */
tuner_call(mxb, tuner, s_frequency, f);
/* let the tuner subdev clamp the frequency to the tuner range */
- tuner_call(mxb, tuner, g_frequency, f);
mxb->cur_freq = *f;
+ tuner_call(mxb, tuner, g_frequency, &mxb->cur_freq);
if (mxb->cur_audinput == 0)
mxb_update_audmode(mxb);