diff options
| -rw-r--r-- | drivers/video/atmel_lcdfb.c | 5 |
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; |