[PATCH] backlight last round of fixes

Fix some more problems (inverted use of semaphores in some places).  He
also moved my checks into within the protected section which is better.

Signed-off-by: Michael Hanselmann <linux-kernel@hansmi.ch>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/macintosh/via-pmu-backlight.c b/drivers/macintosh/via-pmu-backlight.c
index 4397fac55ba0..a82f313d9dc9 100644
--- a/drivers/macintosh/via-pmu-backlight.c
+++ b/drivers/macintosh/via-pmu-backlight.c
@@ -167,11 +167,11 @@ void __init pmu_backlight_init()
                                 pmu_backlight_data.max_brightness / 15);
         }
 
-        up(&bd->sem);
+        down(&bd->sem);
         bd->props->brightness = level;
         bd->props->power = FB_BLANK_UNBLANK;
         bd->props->update_status(bd);
-        down(&bd->sem);
+        up(&bd->sem);
 
         mutex_lock(&pmac_backlight_mutex);
         if (!pmac_backlight)