backlight: platform_lcd: 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/20240906075439.98476-19-tzimmermann@suse.de
Signed-off-by: Lee Jones <lee@kernel.org>

Author: tdz

drivers/video/backlight/platform_lcd.c

@@ -41,7 +41,7 @@ static int platform_lcd_set_power(struct lcd_device *lcd, int power)
 	struct platform_lcd *plcd = to_our_lcd(lcd);
 	int lcd_power = 1;
 
-	if (power == FB_BLANK_POWERDOWN || plcd->suspended)
+	if (power == LCD_POWER_OFF || plcd->suspended)
 		lcd_power = 0;
 
 	plcd->pdata->set_power(plcd->pdata, lcd_power);
@@ -97,7 +97,7 @@ static int platform_lcd_probe(struct platform_device *pdev)
 	}
 
 	platform_set_drvdata(pdev, plcd);
-	platform_lcd_set_power(plcd->lcd, FB_BLANK_NORMAL);
+	platform_lcd_set_power(plcd->lcd, LCD_POWER_REDUCED);
 
 	return 0;
 }