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path: root/drivers/video/fbdev/atmel_lcdfb.c
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Diffstat (limited to 'drivers/video/fbdev/atmel_lcdfb.c')
-rw-r--r--drivers/video/fbdev/atmel_lcdfb.c22
1 files changed, 1 insertions, 21 deletions
diff --git a/drivers/video/fbdev/atmel_lcdfb.c b/drivers/video/fbdev/atmel_lcdfb.c
index 1fc8de4ecbeb..8187a7c4f910 100644
--- a/drivers/video/fbdev/atmel_lcdfb.c
+++ b/drivers/video/fbdev/atmel_lcdfb.c
@@ -49,7 +49,6 @@ struct atmel_lcdfb_info {
struct clk *lcdc_clk;
struct backlight_device *backlight;
- u8 bl_power;
u8 saved_lcdcon;
u32 pseudo_palette[16];
@@ -109,22 +108,7 @@ static u32 contrast_ctr = ATMEL_LCDC_PS_DIV8
static int atmel_bl_update_status(struct backlight_device *bl)
{
struct atmel_lcdfb_info *sinfo = bl_get_data(bl);
- int power = sinfo->bl_power;
- int brightness = bl->props.brightness;
-
- /* REVISIT there may be a meaningful difference between
- * fb_blank and power ... there seem to be some cases
- * this doesn't handle correctly.
- */
- if (bl->props.fb_blank != sinfo->bl_power)
- power = bl->props.fb_blank;
- else if (bl->props.power != sinfo->bl_power)
- power = bl->props.power;
-
- if (brightness < 0 && power == FB_BLANK_UNBLANK)
- brightness = lcdc_readl(sinfo, ATMEL_LCDC_CONTRAST_VAL);
- else if (power != FB_BLANK_UNBLANK)
- brightness = 0;
+ int brightness = backlight_get_brightness(bl);
lcdc_writel(sinfo, ATMEL_LCDC_CONTRAST_VAL, brightness);
if (contrast_ctr & ATMEL_LCDC_POL_POSITIVE)
@@ -133,8 +117,6 @@ static int atmel_bl_update_status(struct backlight_device *bl)
else
lcdc_writel(sinfo, ATMEL_LCDC_CONTRAST_CTR, contrast_ctr);
- bl->props.fb_blank = bl->props.power = sinfo->bl_power = power;
-
return 0;
}
@@ -155,8 +137,6 @@ static void init_backlight(struct atmel_lcdfb_info *sinfo)
struct backlight_properties props;
struct backlight_device *bl;
- sinfo->bl_power = FB_BLANK_UNBLANK;
-
if (sinfo->backlight)
return;