1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c
index 7e66263b18c1..8bfee6aecc8b 100644
--- a/drivers/video/atmel_lcdfb.c
+++ b/drivers/video/atmel_lcdfb.c
@@ -99,8 +99,11 @@ static int atmel_bl_update_status(struct backlight_device *bl)
                 brightness = 0;
 
         lcdc_writel(sinfo, ATMEL_LCDC_CONTRAST_VAL, brightness);
-        lcdc_writel(sinfo, ATMEL_LCDC_CONTRAST_CTR,
+        if (contrast_ctr & ATMEL_LCDC_POL_POSITIVE)
+                lcdc_writel(sinfo, ATMEL_LCDC_CONTRAST_CTR,
                         brightness ? contrast_ctr : 0);
+        else
+                lcdc_writel(sinfo, ATMEL_LCDC_CONTRAST_CTR, contrast_ctr);
 
         bl->props.fb_blank = bl->props.power = sinfo->bl_power = power;