[media] v4l2: add const to argument of write-only s_register ioctl
This ioctl is defined as IOW, so pass the argument as const.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
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>
diff --git a/drivers/media/pci/cx23885/cx23885-ioctl.c b/drivers/media/pci/cx23885/cx23885-ioctl.c
index ea9a614..acdb6d5 100644
--- a/drivers/media/pci/cx23885/cx23885-ioctl.c
+++ b/drivers/media/pci/cx23885/cx23885-ioctl.c
@@ -158,18 +158,17 @@
}
static int cx23885_s_host_register(struct cx23885_dev *dev,
- struct v4l2_dbg_register *reg)
+ const struct v4l2_dbg_register *reg)
{
if ((reg->reg & 0x3) != 0 || reg->reg >= pci_resource_len(dev->pci, 0))
return -EINVAL;
- reg->size = 4;
cx_write(reg->reg, reg->val);
return 0;
}
static int cx23417_s_register(struct cx23885_dev *dev,
- struct v4l2_dbg_register *reg)
+ const struct v4l2_dbg_register *reg)
{
if (dev->v4l_device == NULL)
return -EINVAL;
@@ -179,13 +178,11 @@
if (mc417_register_write(dev, (u16) reg->reg, (u32) reg->val))
return -EINVAL; /* V4L2 spec, but -EREMOTEIO really */
-
- reg->size = 4;
return 0;
}
int cx23885_s_register(struct file *file, void *fh,
- struct v4l2_dbg_register *reg)
+ const struct v4l2_dbg_register *reg)
{
struct cx23885_dev *dev = ((struct cx23885_fh *)fh)->dev;
diff --git a/drivers/media/pci/cx23885/cx23885-ioctl.h b/drivers/media/pci/cx23885/cx23885-ioctl.h
index 315be0c..a608096 100644
--- a/drivers/media/pci/cx23885/cx23885-ioctl.h
+++ b/drivers/media/pci/cx23885/cx23885-ioctl.h
@@ -33,7 +33,7 @@
int cx23885_s_register(struct file *file, void *fh,
- struct v4l2_dbg_register *reg);
+ const struct v4l2_dbg_register *reg);
#endif
#endif
diff --git a/drivers/media/pci/cx23885/cx23888-ir.c b/drivers/media/pci/cx23885/cx23888-ir.c
index d51eed0..fa672fe 100644
--- a/drivers/media/pci/cx23885/cx23888-ir.c
+++ b/drivers/media/pci/cx23885/cx23888-ir.c
@@ -1124,7 +1124,7 @@
}
static int cx23888_ir_s_register(struct v4l2_subdev *sd,
- struct v4l2_dbg_register *reg)
+ const struct v4l2_dbg_register *reg)
{
struct cx23888_ir_state *state = to_state(sd);
u32 addr = CX23888_IR_REG_BASE + (u32) reg->reg;