backlight: Constify struct backlight_ops
Signed-off-by: Emese Revfy <re.emese@gmail.com>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
diff --git a/drivers/video/backlight/adp5520_bl.c b/drivers/video/backlight/adp5520_bl.c
index 4c10edecf..86d95c22 100644
--- a/drivers/video/backlight/adp5520_bl.c
+++ b/drivers/video/backlight/adp5520_bl.c
@@ -85,7 +85,7 @@
return error ? data->current_brightness : reg_val;
}
-static struct backlight_ops adp5520_bl_ops = {
+static const struct backlight_ops adp5520_bl_ops = {
.update_status = adp5520_bl_update_status,
.get_brightness = adp5520_bl_get_brightness,
};
diff --git a/drivers/video/backlight/adx_bl.c b/drivers/video/backlight/adx_bl.c
index 2c3bdfc..d769b0b 100644
--- a/drivers/video/backlight/adx_bl.c
+++ b/drivers/video/backlight/adx_bl.c
@@ -61,7 +61,7 @@
return 1;
}
-static struct backlight_ops adx_backlight_ops = {
+static const struct backlight_ops adx_backlight_ops = {
.options = 0,
.update_status = adx_backlight_update_status,
.get_brightness = adx_backlight_get_brightness,
diff --git a/drivers/video/backlight/atmel-pwm-bl.c b/drivers/video/backlight/atmel-pwm-bl.c
index 2cf7ba5..f625ffc 100644
--- a/drivers/video/backlight/atmel-pwm-bl.c
+++ b/drivers/video/backlight/atmel-pwm-bl.c
@@ -113,7 +113,7 @@
return pwm_channel_enable(&pwmbl->pwmc);
}
-static struct backlight_ops atmel_pwm_bl_ops = {
+static const struct backlight_ops atmel_pwm_bl_ops = {
.get_brightness = atmel_pwm_bl_get_intensity,
.update_status = atmel_pwm_bl_set_intensity,
};
diff --git a/drivers/video/backlight/backlight.c b/drivers/video/backlight/backlight.c
index 6615ac7..18829cf 100644
--- a/drivers/video/backlight/backlight.c
+++ b/drivers/video/backlight/backlight.c
@@ -269,7 +269,7 @@
* ERR_PTR() or a pointer to the newly allocated device.
*/
struct backlight_device *backlight_device_register(const char *name,
- struct device *parent, void *devdata, struct backlight_ops *ops)
+ struct device *parent, void *devdata, const struct backlight_ops *ops)
{
struct backlight_device *new_bd;
int rc;
diff --git a/drivers/video/backlight/corgi_lcd.c b/drivers/video/backlight/corgi_lcd.c
index 9677494..b4bcf80 100644
--- a/drivers/video/backlight/corgi_lcd.c
+++ b/drivers/video/backlight/corgi_lcd.c
@@ -451,7 +451,7 @@
}
EXPORT_SYMBOL(corgi_lcd_limit_intensity);
-static struct backlight_ops corgi_bl_ops = {
+static const struct backlight_ops corgi_bl_ops = {
.get_brightness = corgi_bl_get_intensity,
.update_status = corgi_bl_update_status,
};
diff --git a/drivers/video/backlight/cr_bllcd.c b/drivers/video/backlight/cr_bllcd.c
index b9fe62b..2914bf1 100644
--- a/drivers/video/backlight/cr_bllcd.c
+++ b/drivers/video/backlight/cr_bllcd.c
@@ -108,7 +108,7 @@
return intensity;
}
-static struct backlight_ops cr_backlight_ops = {
+static const struct backlight_ops cr_backlight_ops = {
.get_brightness = cr_backlight_get_intensity,
.update_status = cr_backlight_set_intensity,
};
diff --git a/drivers/video/backlight/da903x_bl.c b/drivers/video/backlight/da903x_bl.c
index f2d76da..74cdc64 100644
--- a/drivers/video/backlight/da903x_bl.c
+++ b/drivers/video/backlight/da903x_bl.c
@@ -95,7 +95,7 @@
return data->current_brightness;
}
-static struct backlight_ops da903x_backlight_ops = {
+static const struct backlight_ops da903x_backlight_ops = {
.update_status = da903x_backlight_update_status,
.get_brightness = da903x_backlight_get_brightness,
};
diff --git a/drivers/video/backlight/generic_bl.c b/drivers/video/backlight/generic_bl.c
index 6d27f62..e6d348e 100644
--- a/drivers/video/backlight/generic_bl.c
+++ b/drivers/video/backlight/generic_bl.c
@@ -70,7 +70,7 @@
}
EXPORT_SYMBOL(corgibl_limit_intensity);
-static struct backlight_ops genericbl_ops = {
+static const struct backlight_ops genericbl_ops = {
.options = BL_CORE_SUSPENDRESUME,
.get_brightness = genericbl_get_intensity,
.update_status = genericbl_send_intensity,
diff --git a/drivers/video/backlight/hp680_bl.c b/drivers/video/backlight/hp680_bl.c
index 7fb4eef..f7cc528 100644
--- a/drivers/video/backlight/hp680_bl.c
+++ b/drivers/video/backlight/hp680_bl.c
@@ -98,7 +98,7 @@
return current_intensity;
}
-static struct backlight_ops hp680bl_ops = {
+static const struct backlight_ops hp680bl_ops = {
.get_brightness = hp680bl_get_intensity,
.update_status = hp680bl_set_intensity,
};
diff --git a/drivers/video/backlight/jornada720_bl.c b/drivers/video/backlight/jornada720_bl.c
index 7aed256..db9071f 100644
--- a/drivers/video/backlight/jornada720_bl.c
+++ b/drivers/video/backlight/jornada720_bl.c
@@ -93,7 +93,7 @@
return ret;
}
-static struct backlight_ops jornada_bl_ops = {
+static const struct backlight_ops jornada_bl_ops = {
.get_brightness = jornada_bl_get_brightness,
.update_status = jornada_bl_update_status,
.options = BL_CORE_SUSPENDRESUME,
diff --git a/drivers/video/backlight/kb3886_bl.c b/drivers/video/backlight/kb3886_bl.c
index a38fda1..939e7b8 100644
--- a/drivers/video/backlight/kb3886_bl.c
+++ b/drivers/video/backlight/kb3886_bl.c
@@ -134,7 +134,7 @@
return kb3886bl_intensity;
}
-static struct backlight_ops kb3886bl_ops = {
+static const struct backlight_ops kb3886bl_ops = {
.get_brightness = kb3886bl_get_intensity,
.update_status = kb3886bl_send_intensity,
};
diff --git a/drivers/video/backlight/locomolcd.c b/drivers/video/backlight/locomolcd.c
index 6b488b8..00a9591 100644
--- a/drivers/video/backlight/locomolcd.c
+++ b/drivers/video/backlight/locomolcd.c
@@ -141,7 +141,7 @@
return current_intensity;
}
-static struct backlight_ops locomobl_data = {
+static const struct backlight_ops locomobl_data = {
.get_brightness = locomolcd_get_intensity,
.update_status = locomolcd_set_intensity,
};
diff --git a/drivers/video/backlight/mbp_nvidia_bl.c b/drivers/video/backlight/mbp_nvidia_bl.c
index 9edb8d7..5812468 100644
--- a/drivers/video/backlight/mbp_nvidia_bl.c
+++ b/drivers/video/backlight/mbp_nvidia_bl.c
@@ -33,7 +33,7 @@
unsigned long iostart;
unsigned long iolen;
/* Backlight operations structure. */
- struct backlight_ops backlight_ops;
+ const struct backlight_ops backlight_ops;
};
/* Module parameters. */
diff --git a/drivers/video/backlight/omap1_bl.c b/drivers/video/backlight/omap1_bl.c
index 8693e5f..409ca96 100644
--- a/drivers/video/backlight/omap1_bl.c
+++ b/drivers/video/backlight/omap1_bl.c
@@ -125,7 +125,7 @@
return bl->current_intensity;
}
-static struct backlight_ops omapbl_ops = {
+static const struct backlight_ops omapbl_ops = {
.get_brightness = omapbl_get_intensity,
.update_status = omapbl_update_status,
};
diff --git a/drivers/video/backlight/progear_bl.c b/drivers/video/backlight/progear_bl.c
index 9edaf24f..075786e 100644
--- a/drivers/video/backlight/progear_bl.c
+++ b/drivers/video/backlight/progear_bl.c
@@ -54,7 +54,7 @@
return intensity - HW_LEVEL_MIN;
}
-static struct backlight_ops progearbl_ops = {
+static const struct backlight_ops progearbl_ops = {
.get_brightness = progearbl_get_intensity,
.update_status = progearbl_set_intensity,
};
diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c
index 8871662..df9e0b3 100644
--- a/drivers/video/backlight/pwm_bl.c
+++ b/drivers/video/backlight/pwm_bl.c
@@ -56,7 +56,7 @@
return bl->props.brightness;
}
-static struct backlight_ops pwm_backlight_ops = {
+static const struct backlight_ops pwm_backlight_ops = {
.update_status = pwm_backlight_update_status,
.get_brightness = pwm_backlight_get_brightness,
};
diff --git a/drivers/video/backlight/tosa_bl.c b/drivers/video/backlight/tosa_bl.c
index 43edbad..e14ce4d 100644
--- a/drivers/video/backlight/tosa_bl.c
+++ b/drivers/video/backlight/tosa_bl.c
@@ -72,7 +72,7 @@
return props->brightness;
}
-static struct backlight_ops bl_ops = {
+static const struct backlight_ops bl_ops = {
.get_brightness = tosa_bl_get_brightness,
.update_status = tosa_bl_update_status,
};
diff --git a/drivers/video/backlight/wm831x_bl.c b/drivers/video/backlight/wm831x_bl.c
index 467bdb7..e32add3 100644
--- a/drivers/video/backlight/wm831x_bl.c
+++ b/drivers/video/backlight/wm831x_bl.c
@@ -112,7 +112,7 @@
return data->current_brightness;
}
-static struct backlight_ops wm831x_backlight_ops = {
+static const struct backlight_ops wm831x_backlight_ops = {
.options = BL_CORE_SUSPENDRESUME,
.update_status = wm831x_backlight_update_status,
.get_brightness = wm831x_backlight_get_brightness,
diff --git a/include/linux/backlight.h b/include/linux/backlight.h
index 0f5f578..8c4f884 100644
--- a/include/linux/backlight.h
+++ b/include/linux/backlight.h
@@ -36,18 +36,18 @@
struct fb_info;
struct backlight_ops {
- unsigned int options;
+ const unsigned int options;
#define BL_CORE_SUSPENDRESUME (1 << 0)
/* Notify the backlight driver some property has changed */
- int (*update_status)(struct backlight_device *);
+ int (* const update_status)(struct backlight_device *);
/* Return the current backlight brightness (accounting for power,
fb_blank etc.) */
- int (*get_brightness)(struct backlight_device *);
+ int (* const get_brightness)(struct backlight_device *);
/* Check if given framebuffer device is the one bound to this backlight;
return 0 if not, !=0 if it is. If NULL, backlight always matches the fb. */
- int (*check_fb)(struct fb_info *);
+ int (* const check_fb)(struct fb_info *);
};
/* This structure defines all the properties of a backlight */
@@ -86,7 +86,7 @@
registered this device has been unloaded, and if class_get_devdata()
points to something in the body of that driver, it is also invalid. */
struct mutex ops_lock;
- struct backlight_ops *ops;
+ const struct backlight_ops *ops;
/* The framebuffer notifier block */
struct notifier_block fb_notif;
@@ -103,7 +103,7 @@
}
extern struct backlight_device *backlight_device_register(const char *name,
- struct device *dev, void *devdata, struct backlight_ops *ops);
+ struct device *dev, void *devdata, const struct backlight_ops *ops);
extern void backlight_device_unregister(struct backlight_device *bd);
extern void backlight_force_update(struct backlight_device *bd,
enum backlight_update_reason reason);