ENGR00122206 MX53-EVK pwm-backlight: PWM backlight enhancement

Don't trun off the pwm backlight when blanking the fore-ground.

Signed-off-by: William Lai <b04597@freescale.com>

diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c
index b8f38ec6eb1898ab0b60d606ec1f3998e11fe339..57545654d7a133da3da57adc468fca79f5eb2b43 100644 (file)
--- a/drivers/video/backlight/pwm_bl.c
+++ b/drivers/video/backlight/pwm_bl.c
@@ -63,12 +63,13 @@ static int pwm_backlight_get_brightness(struct backlight_device *bl)
        return bl->props.brightness;
 }
 
-static int pwm_backlight_check_fb(struct backlight_device *bl,
-                                 struct fb_info *info)
+static int pwm_backlight_check_fb(struct fb_info *info)
 {
-       struct pwm_bl_data *pb = dev_get_drvdata(&bl->dev);
-
-       return !pb->check_fb || pb->check_fb(pb->dev, info);
+       char *id = info->fix.id;
+       if (!strcmp(id, "DISP3 BG"))
+           return 1;
+       else
+       return 0;
 }
 
 static const struct backlight_ops pwm_backlight_ops = {