fbdev: imxfb: Use lcd power constants

Replace FB_BLANK_ constants with their counterparts from the
lcd subsystem. The values are identical, so there's no change
in functionality.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Link: https://lore.kernel.org/r/20240906075439.98476-24-tzimmermann@suse.de
Signed-off-by: Lee Jones <lee@kernel.org>

Author: tdz

drivers/video/fbdev/imxfb.c

@@ -814,9 +814,9 @@ static int imxfb_lcd_get_power(struct lcd_device *lcddev)
 
 	if (!IS_ERR(fbi->lcd_pwr) &&
 	    !regulator_is_enabled(fbi->lcd_pwr))
-		return FB_BLANK_POWERDOWN;
+		return LCD_POWER_OFF;
 
-	return FB_BLANK_UNBLANK;
+	return LCD_POWER_ON;
 }
 
 static int imxfb_regulator_set(struct imxfb_info *fbi, int enable)
@@ -842,7 +842,7 @@ static int imxfb_lcd_set_power(struct lcd_device *lcddev, int power)
 	struct imxfb_info *fbi = dev_get_drvdata(&lcddev->dev);
 
 	if (!IS_ERR(fbi->lcd_pwr))
-		return imxfb_regulator_set(fbi, power == FB_BLANK_UNBLANK);
+		return imxfb_regulator_set(fbi, power == LCD_POWER_ON);
 
 	return 0;
 }