diff options
Diffstat (limited to 'drivers/video/aty/atyfb_base.c')
| -rw-r--r-- | drivers/video/aty/atyfb_base.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/drivers/video/aty/atyfb_base.c b/drivers/video/aty/atyfb_base.c index 510e4ea296ed..19a71f045784 100644 --- a/drivers/video/aty/atyfb_base.c +++ b/drivers/video/aty/atyfb_base.c @@ -2199,14 +2199,15 @@ static struct backlight_properties aty_bl_data = { static void aty_bl_set_power(struct fb_info *info, int power) { - if (info->bl_dev == NULL) - return; - mutex_lock(&info->bl_mutex); - up(&info->bl_dev->sem); - info->bl_dev->props->power = power; - __aty_bl_update_status(info->bl_dev); - down(&info->bl_dev->sem); + + 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); } @@ -2237,11 +2238,11 @@ static void aty_bl_init(struct atyfb_par *par) 0xFF * FB_BACKLIGHT_MAX / MAX_LEVEL); mutex_unlock(&info->bl_mutex); - up(&bd->sem); + down(&bd->sem); bd->props->brightness = aty_bl_data.max_brightness; bd->props->power = FB_BLANK_UNBLANK; bd->props->update_status(bd); - down(&bd->sem); + up(&bd->sem); #ifdef CONFIG_PMAC_BACKLIGHT mutex_lock(&pmac_backlight_mutex); |