diff options
Diffstat (limited to 'drivers/video/backlight/backlight.c')
| -rw-r--r-- | drivers/video/backlight/backlight.c | 10 |
1 files changed, 4 insertions, 6 deletions
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)); |