diff --git a/drivers/video/backlight/adp5520_bl.c b/drivers/video/backlight/adp5520_bl.c
index 4c10edecfb6616070ce46610a5694f2fbf051080..86d95c228adb7289ec294f454b44e9575516d1f7 100644
--- a/drivers/video/backlight/adp5520_bl.c
+++ b/drivers/video/backlight/adp5520_bl.c
@@ -85,7 +85,7 @@ static int adp5520_bl_get_brightness(struct backlight_device *bl)
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 2c3bdfc620b74a0d92cdc0a7bfd5b932b347c682..d769b0bab21abfc5b41105f430210532a7bd948e 100644
--- a/drivers/video/backlight/adx_bl.c
+++ b/drivers/video/backlight/adx_bl.c
@@ -61,7 +61,7 @@ static int adx_backlight_check_fb(struct fb_info *fb)
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 2cf7ba52f67c1f62ffd0f0ee61dc65650f67768e..f625ffc69ad3139cef6ba88688ac1e76878ff1e4 100644
--- a/drivers/video/backlight/atmel-pwm-bl.c
+++ b/drivers/video/backlight/atmel-pwm-bl.c
@@ -113,7 +113,7 @@ static int atmel_pwm_bl_init_pwm(struct atmel_pwm_bl *pwmbl)
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 6615ac7fa60a6124e31257a2ce1b09cf871ed719..18829cf68b1b97ca111af2d390820a3576ad68c1 100644
--- a/drivers/video/backlight/backlight.c
+++ b/drivers/video/backlight/backlight.c
@@ -269,7 +269,7 @@ EXPORT_SYMBOL(backlight_force_update);
* 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 96774949cd30ba3964ea1340e47a3524f841c08b..b4bcf8043797d18ced2ab1618ee9ef57853e6399 100644
--- a/drivers/video/backlight/corgi_lcd.c
+++ b/drivers/video/backlight/corgi_lcd.c
@@ -451,7 +451,7 @@ void corgi_lcd_limit_intensity(int limit)
}
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 b9fe62b475c63a3fa953ea182958496cd4037d52..da86db4374a05a350084b2f06834d489e773f4ba 100644
--- a/drivers/video/backlight/cr_bllcd.c
+++ b/drivers/video/backlight/cr_bllcd.c
@@ -108,7 +108,7 @@ static int cr_backlight_get_intensity(struct backlight_device *bd)
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,
};
@@ -201,7 +201,7 @@ static int cr_backlight_probe(struct platform_device *pdev)
if (IS_ERR(ldp)) {
backlight_device_unregister(bdp);
pci_dev_put(lpc_dev);
- return PTR_ERR(bdp);
+ return PTR_ERR(ldp);
}
pci_read_config_dword(lpc_dev, CRVML_REG_GPIOBAR,
diff --git a/drivers/video/backlight/da903x_bl.c b/drivers/video/backlight/da903x_bl.c
index f2d76dae1eb370813b7c31b338aa951d45e2267b..74cdc640173de5879af656d46cfaafa4ec8ad6bf 100644
--- a/drivers/video/backlight/da903x_bl.c
+++ b/drivers/video/backlight/da903x_bl.c
@@ -95,7 +95,7 @@ static int da903x_backlight_get_brightness(struct backlight_device *bl)
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 6d27f62fdcd09055db7bba7207a72905fc8aa36d..e6d348e63596455f06d4a3443e82ea4f982a91e6 100644
--- a/drivers/video/backlight/generic_bl.c
+++ b/drivers/video/backlight/generic_bl.c
@@ -70,7 +70,7 @@ void corgibl_limit_intensity(int limit)
}
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 7fb4eefff80daa497fdc4440508b5b3ca8739886..f7cc528d5be79a066347e43b3271c0d376e5275c 100644
--- a/drivers/video/backlight/hp680_bl.c
+++ b/drivers/video/backlight/hp680_bl.c
@@ -98,7 +98,7 @@ static int hp680bl_get_intensity(struct backlight_device *bd)
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 7aed2565c1bd1b666ab7b46f63e02879e6097a54..db9071fc56654add5b279b31845c75e34e7726cc 100644
--- a/drivers/video/backlight/jornada720_bl.c
+++ b/drivers/video/backlight/jornada720_bl.c
@@ -93,7 +93,7 @@ static int jornada_bl_update_status(struct backlight_device *bd)
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 a38fda1742ddb58e374ad825218fd4bc06f6a332..939e7b830cf3f5afabaf104e694d465e63759bd5 100644
--- a/drivers/video/backlight/kb3886_bl.c
+++ b/drivers/video/backlight/kb3886_bl.c
@@ -134,7 +134,7 @@ static int kb3886bl_get_intensity(struct backlight_device *bd)
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 6b488b8a7eee6cb6b0e5a9631239d57aac7e66e9..00a9591b00030f8a3bf744ec124cc163ff061ad9 100644
--- a/drivers/video/backlight/locomolcd.c
+++ b/drivers/video/backlight/locomolcd.c
@@ -141,7 +141,7 @@ static int locomolcd_get_intensity(struct backlight_device *bd)
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 9edb8d7c295f38ed02a31642b3eba3be1c5681c9..2e78b0784bdc8b1dae7083fbee8f052302a30227 100644
--- a/drivers/video/backlight/mbp_nvidia_bl.c
+++ b/drivers/video/backlight/mbp_nvidia_bl.c
@@ -33,7 +33,7 @@ struct dmi_match_data {
unsigned long iostart;
unsigned long iolen;
/* Backlight operations structure. */
- struct backlight_ops backlight_ops;
+ const struct backlight_ops backlight_ops;
};
/* Module parameters. */
@@ -218,6 +218,24 @@ static const struct dmi_system_id __initdata mbp_device_table[] = {
},
.driver_data = (void *)&nvidia_chipset_data,
},
+ {
+ .callback = mbp_dmi_match,
+ .ident = "MacBookPro 5,3",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro5,3"),
+ },
+ .driver_data = (void *)&nvidia_chipset_data,
+ },
+ {
+ .callback = mbp_dmi_match,
+ .ident = "MacBookPro 5,4",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro5,4"),
+ },
+ .driver_data = (void *)&nvidia_chipset_data,
+ },
{
.callback = mbp_dmi_match,
.ident = "MacBookPro 5,5",
diff --git a/drivers/video/backlight/omap1_bl.c b/drivers/video/backlight/omap1_bl.c
index 8693e5fcd2eb83dea83083a5ff3126900c87abc9..409ca9643528b6d52a0906afdd97b3cbcf158a9b 100644
--- a/drivers/video/backlight/omap1_bl.c
+++ b/drivers/video/backlight/omap1_bl.c
@@ -125,7 +125,7 @@ static int omapbl_get_intensity(struct backlight_device *dev)
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 9edaf24fd82d4e49f0bf439162fa156088cbc25e..075786e05034cc5defba6606a32e13b2e18f8de6 100644
--- a/drivers/video/backlight/progear_bl.c
+++ b/drivers/video/backlight/progear_bl.c
@@ -54,7 +54,7 @@ static int progearbl_get_intensity(struct backlight_device *bd)
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 88716626744391a89cae97a5658fb3cc0ffbd545..9d2ec2a1cce8fff721d40680277d45ac5bc1bb55 100644
--- a/drivers/video/backlight/pwm_bl.c
+++ b/drivers/video/backlight/pwm_bl.c
@@ -22,8 +22,10 @@
struct pwm_bl_data {
struct pwm_device *pwm;
+ struct device *dev;
unsigned int period;
- int (*notify)(int brightness);
+ int (*notify)(struct device *,
+ int brightness);
};
static int pwm_backlight_update_status(struct backlight_device *bl)
@@ -39,7 +41,7 @@ static int pwm_backlight_update_status(struct backlight_device *bl)
brightness = 0;
if (pb->notify)
- brightness = pb->notify(brightness);
+ brightness = pb->notify(pb->dev, brightness);
if (brightness == 0) {
pwm_config(pb->pwm, 0, pb->period);
@@ -56,7 +58,7 @@ static int pwm_backlight_get_brightness(struct backlight_device *bl)
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,
};
@@ -88,6 +90,7 @@ static int pwm_backlight_probe(struct platform_device *pdev)
pb->period = data->pwm_period_ns;
pb->notify = data->notify;
+ pb->dev = &pdev->dev;
pb->pwm = pwm_request(data->pwm_id, "backlight");
if (IS_ERR(pb->pwm)) {
@@ -146,7 +149,7 @@ static int pwm_backlight_suspend(struct platform_device *pdev,
struct pwm_bl_data *pb = dev_get_drvdata(&bl->dev);
if (pb->notify)
- pb->notify(0);
+ pb->notify(pb->dev, 0);
pwm_config(pb->pwm, 0, pb->period);
pwm_disable(pb->pwm);
return 0;
diff --git a/drivers/video/backlight/tosa_bl.c b/drivers/video/backlight/tosa_bl.c
index 43edbada12d19156970d5b84f68e56de73333c25..e14ce4d469f57f1ed6525ba53113bcbd6bca6913 100644
--- a/drivers/video/backlight/tosa_bl.c
+++ b/drivers/video/backlight/tosa_bl.c
@@ -72,7 +72,7 @@ static int tosa_bl_get_brightness(struct backlight_device *dev)
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 467bdb7efb231057160aa5333960057439fac502..e32add37a203453558c80a6c195276cb402094c6 100644
--- a/drivers/video/backlight/wm831x_bl.c
+++ b/drivers/video/backlight/wm831x_bl.c
@@ -112,7 +112,7 @@ static int wm831x_backlight_get_brightness(struct backlight_device *bl)
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 0f5f57858a237bb16335b90bafbe9ece0cf9d8f8..8c4f884db6b40044a5934985656551b1dee22d8d 100644
--- a/include/linux/backlight.h
+++ b/include/linux/backlight.h
@@ -36,18 +36,18 @@ struct backlight_device;
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 @@ struct backlight_device {
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 @@ static inline void backlight_update_status(struct backlight_device *bd)
}
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);
diff --git a/include/linux/pwm_backlight.h b/include/linux/pwm_backlight.h
index 7a9754c96775091d1ac9ef9c002682e29c38ca88..01b3d759f1fccec7f88e1b276973aa6f70e5bae5 100644
--- a/include/linux/pwm_backlight.h
+++ b/include/linux/pwm_backlight.h
@@ -10,7 +10,7 @@ struct platform_pwm_backlight_data {
unsigned int dft_brightness;
unsigned int pwm_period_ns;
int (*init)(struct device *dev);
- int (*notify)(int brightness);
+ int (*notify)(struct device *dev, int brightness);
void (*exit)(struct device *dev);
};