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authorPaul Mackerras <paulus@samba.org>2006-09-14 07:07:18 +1000
committerPaul Mackerras <paulus@samba.org>2006-09-14 07:07:18 +1000
commitc547fc28ab3e8716076fdaf4bd0260c5d63a18f7 (patch)
tree34af1fa64a63618660187ae58ad182665a1861ef /drivers/video/nvidia
parent3dd836a56de0d4f049438412959b905e1db4666e (diff)
parent63b98080daa35f0d682db04f4fb7ada010888752 (diff)
Merge branch 'linux-2.6'
Diffstat (limited to 'drivers/video/nvidia')
-rw-r--r--drivers/video/nvidia/nv_backlight.c18
1 files changed, 10 insertions, 8 deletions
diff --git a/drivers/video/nvidia/nv_backlight.c b/drivers/video/nvidia/nv_backlight.c
index 14c37c42191c..5b75ae4e9457 100644
--- a/drivers/video/nvidia/nv_backlight.c
+++ b/drivers/video/nvidia/nv_backlight.c
@@ -112,13 +112,15 @@ static struct backlight_properties nvidia_bl_data = {
void nvidia_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;
- __nvidia_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;
+ __nvidia_bl_update_status(info->bl_dev);
+ up(&info->bl_dev->sem);
+ }
+
mutex_unlock(&info->bl_mutex);
}
@@ -153,11 +155,11 @@ void nvidia_bl_init(struct nvidia_par *par)
0x534 * FB_BACKLIGHT_MAX / MAX_LEVEL);
mutex_unlock(&info->bl_mutex);
- up(&bd->sem);
+ down(&bd->sem);
bd->props->brightness = nvidia_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);