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-rw-r--r--drivers/video/aty/aty128fb.c6
-rw-r--r--drivers/video/aty/atyfb_base.c6
-rw-r--r--drivers/video/aty/radeon_backlight.c4
-rw-r--r--drivers/video/backlight/backlight.c10
-rw-r--r--drivers/video/backlight/lcd.c1
-rw-r--r--drivers/video/chipsfb.c8
-rw-r--r--drivers/video/nvidia/nv_backlight.c6
-rw-r--r--drivers/video/riva/fbdev.c6
8 files changed, 12 insertions, 35 deletions
diff --git a/drivers/video/aty/aty128fb.c b/drivers/video/aty/aty128fb.c
index 1fa211c0d7b..5d8f73b2b66 100644
--- a/drivers/video/aty/aty128fb.c
+++ b/drivers/video/aty/aty128fb.c
@@ -1807,10 +1807,8 @@ static void aty128_bl_set_power(struct fb_info *info, int power)
mutex_lock(&info->bl_mutex);
if (info->bl_dev) {
- down(&info->bl_dev->sem);
info->bl_dev->props->power = power;
__aty128_bl_update_status(info->bl_dev);
- up(&info->bl_dev->sem);
}
mutex_unlock(&info->bl_mutex);
@@ -1847,11 +1845,9 @@ static void aty128_bl_init(struct aty128fb_par *par)
219 * FB_BACKLIGHT_MAX / MAX_LEVEL);
mutex_unlock(&info->bl_mutex);
- down(&bd->sem);
bd->props->brightness = aty128_bl_data.max_brightness;
bd->props->power = FB_BLANK_UNBLANK;
- bd->props->update_status(bd);
- up(&bd->sem);
+ backlight_update_status(bd);
#ifdef CONFIG_PMAC_BACKLIGHT
mutex_lock(&pmac_backlight_mutex);
diff --git a/drivers/video/aty/atyfb_base.c b/drivers/video/aty/atyfb_base.c
index 5ea5a00e58a..23deb356602 100644
--- a/drivers/video/aty/atyfb_base.c
+++ b/drivers/video/aty/atyfb_base.c
@@ -2188,10 +2188,8 @@ static void aty_bl_set_power(struct fb_info *info, int power)
mutex_lock(&info->bl_mutex);
if (info->bl_dev) {
- down(&info->bl_dev->sem);
info->bl_dev->props->power = power;
__aty_bl_update_status(info->bl_dev);
- up(&info->bl_dev->sem);
}
mutex_unlock(&info->bl_mutex);
@@ -2224,11 +2222,9 @@ static void aty_bl_init(struct atyfb_par *par)
0xFF * FB_BACKLIGHT_MAX / MAX_LEVEL);
mutex_unlock(&info->bl_mutex);
- down(&bd->sem);
bd->props->brightness = aty_bl_data.max_brightness;
bd->props->power = FB_BLANK_UNBLANK;
- bd->props->update_status(bd);
- up(&bd->sem);
+ backlight_update_status(bd);
#ifdef CONFIG_PMAC_BACKLIGHT
mutex_lock(&pmac_backlight_mutex);
diff --git a/drivers/video/aty/radeon_backlight.c b/drivers/video/aty/radeon_backlight.c
index 8b66df6f199..9cfcecac8b5 100644
--- a/drivers/video/aty/radeon_backlight.c
+++ b/drivers/video/aty/radeon_backlight.c
@@ -194,11 +194,9 @@ void radeonfb_bl_init(struct radeonfb_info *rinfo)
217 * FB_BACKLIGHT_MAX / MAX_RADEON_LEVEL);
mutex_unlock(&rinfo->info->bl_mutex);
- down(&bd->sem);
bd->props->brightness = radeon_bl_data.max_brightness;
bd->props->power = FB_BLANK_UNBLANK;
- bd->props->update_status(bd);
- up(&bd->sem);
+ backlight_update_status(bd);
#ifdef CONFIG_PMAC_BACKLIGHT
mutex_lock(&pmac_backlight_mutex);
diff --git a/drivers/video/backlight/backlight.c b/drivers/video/backlight/backlight.c
index 7a85be4d2b0..347081daf7a 100644
--- a/drivers/video/backlight/backlight.c
+++ b/drivers/video/backlight/backlight.c
@@ -37,8 +37,7 @@ static int fb_notifier_callback(struct notifier_block *self,
if (!bd->props->check_fb ||
bd->props->check_fb(evdata->info)) {
bd->props->fb_blank = *(int *)evdata->data;
- if (bd->props && bd->props->update_status)
- bd->props->update_status(bd);
+ backlight_update_status(bd);
}
up(&bd->sem);
return 0;
@@ -97,8 +96,7 @@ static ssize_t backlight_store_power(struct class_device *cdev, const char *buf,
if (bd->props) {
pr_debug("backlight: set power to %d\n", power);
bd->props->power = power;
- if (bd->props->update_status)
- bd->props->update_status(bd);
+ backlight_update_status(bd);
rc = count;
}
up(&bd->sem);
@@ -140,8 +138,7 @@ static ssize_t backlight_store_brightness(struct class_device *cdev, const char
pr_debug("backlight: set brightness to %d\n",
brightness);
bd->props->brightness = brightness;
- if (bd->props->update_status)
- bd->props->update_status(bd);
+ backlight_update_status(bd);
rc = count;
}
}
@@ -230,6 +227,7 @@ struct backlight_device *backlight_device_register(const char *name,
if (!new_bd)
return ERR_PTR(-ENOMEM);
+ mutex_init(&new_bd->update_lock);
init_MUTEX(&new_bd->sem);
new_bd->props = bp;
memset(&new_bd->class_dev, 0, sizeof(new_bd->class_dev));
diff --git a/drivers/video/backlight/lcd.c b/drivers/video/backlight/lcd.c
index 959024812ab..1e1e61a4b5d 100644
--- a/drivers/video/backlight/lcd.c
+++ b/drivers/video/backlight/lcd.c
@@ -198,6 +198,7 @@ struct lcd_device *lcd_device_register(const char *name, void *devdata,
return ERR_PTR(-ENOMEM);
init_MUTEX(&new_ld->sem);
+ mutex_init(&new_ld->update_lock);
new_ld->props = lp;
memset(&new_ld->class_dev, 0, sizeof(new_ld->class_dev));
new_ld->class_dev.class = &lcd_class;
diff --git a/drivers/video/chipsfb.c b/drivers/video/chipsfb.c
index 73cb426bf2d..9a656bc6295 100644
--- a/drivers/video/chipsfb.c
+++ b/drivers/video/chipsfb.c
@@ -153,13 +153,11 @@ static int chipsfb_blank(int blank, struct fb_info *info)
* useful at blank = 1 too (saves battery, extends backlight
* life)
*/
- down(&pmac_backlight->sem);
if (blank)
pmac_backlight->props->power = FB_BLANK_POWERDOWN;
else
pmac_backlight->props->power = FB_BLANK_UNBLANK;
- pmac_backlight->props->update_status(pmac_backlight);
- up(&pmac_backlight->sem);
+ backlight_update_status(pmac_backlight);
}
mutex_unlock(&pmac_backlight_mutex);
@@ -415,10 +413,8 @@ chipsfb_pci_init(struct pci_dev *dp, const struct pci_device_id *ent)
/* turn on the backlight */
mutex_lock(&pmac_backlight_mutex);
if (pmac_backlight) {
- down(&pmac_backlight->sem);
pmac_backlight->props->power = FB_BLANK_UNBLANK;
- pmac_backlight->props->update_status(pmac_backlight);
- up(&pmac_backlight->sem);
+ backlight_update_status(pmac_backlight);
}
mutex_unlock(&pmac_backlight_mutex);
#endif /* CONFIG_PMAC_BACKLIGHT */
diff --git a/drivers/video/nvidia/nv_backlight.c b/drivers/video/nvidia/nv_backlight.c
index 4254c090dc4..f5e42d0bd0d 100644
--- a/drivers/video/nvidia/nv_backlight.c
+++ b/drivers/video/nvidia/nv_backlight.c
@@ -114,10 +114,8 @@ void nvidia_bl_set_power(struct fb_info *info, int power)
mutex_lock(&info->bl_mutex);
if (info->bl_dev) {
- down(&info->bl_dev->sem);
info->bl_dev->props->power = power;
__nvidia_bl_update_status(info->bl_dev);
- up(&info->bl_dev->sem);
}
mutex_unlock(&info->bl_mutex);
@@ -154,11 +152,9 @@ void nvidia_bl_init(struct nvidia_par *par)
0x534 * FB_BACKLIGHT_MAX / MAX_LEVEL);
mutex_unlock(&info->bl_mutex);
- down(&bd->sem);
bd->props->brightness = nvidia_bl_data.max_brightness;
bd->props->power = FB_BLANK_UNBLANK;
- bd->props->update_status(bd);
- up(&bd->sem);
+ backlight_update_status(bd);
#ifdef CONFIG_PMAC_BACKLIGHT
mutex_lock(&pmac_backlight_mutex);
diff --git a/drivers/video/riva/fbdev.c b/drivers/video/riva/fbdev.c
index fd825711bb6..b70d18f7fcd 100644
--- a/drivers/video/riva/fbdev.c
+++ b/drivers/video/riva/fbdev.c
@@ -357,10 +357,8 @@ static void riva_bl_set_power(struct fb_info *info, int power)
mutex_lock(&info->bl_mutex);
if (info->bl_dev) {
- down(&info->bl_dev->sem);
info->bl_dev->props->power = power;
__riva_bl_update_status(info->bl_dev);
- up(&info->bl_dev->sem);
}
mutex_unlock(&info->bl_mutex);
@@ -397,11 +395,9 @@ static void riva_bl_init(struct riva_par *par)
FB_BACKLIGHT_MAX);
mutex_unlock(&info->bl_mutex);
- down(&bd->sem);
bd->props->brightness = riva_bl_data.max_brightness;
bd->props->power = FB_BLANK_UNBLANK;
- bd->props->update_status(bd);
- up(&bd->sem);
+ backlight_update_status(bd);
#ifdef CONFIG_PMAC_BACKLIGHT
mutex_lock(&pmac_backlight_mutex);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 23:17:32 +0000