backlight: mp3309c: Use backlight power constants

Replace FB_BLANK_ constants with their counterparts from the
backlight 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/20240624152033.25016-13-tzimmermann@suse.deSigned-off-by: Lee Jones <lee@kernel.org>

drivers/video/backlight/mp3309c.c

@@ -358,7 +358,7 @@ static int mp3309c_probe(struct i2c_client *client)
 	props.max_brightness = pdata->max_brightness;
 	props.scale = BACKLIGHT_SCALE_LINEAR;
 	props.type = BACKLIGHT_RAW;
-	props.power = FB_BLANK_UNBLANK;
+	props.power = BACKLIGHT_POWER_ON;
 	chip->bl = devm_backlight_device_register(dev, "mp3309c", dev, chip,
 						  &mp3309c_bl_ops, &props);
 	if (IS_ERR(chip->bl))
@@ -388,7 +388,7 @@ static void mp3309c_remove(struct i2c_client *client)
 	struct mp3309c_chip *chip = i2c_get_clientdata(client);
 	struct backlight_device *bl = chip->bl;
 
-	bl->props.power = FB_BLANK_POWERDOWN;
+	bl->props.power = BACKLIGHT_POWER_OFF;
 	bl->props.brightness = 0;
 	backlight_update_status(chip->bl);
 }