backlight: otm3225a: 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/20240906075439.98476-16-tzimmermann@suse.de
Signed-off-by: Lee Jones <lee@kernel.org>

Author: tdz

drivers/video/backlight/otm3225a.c

@@ -189,7 +189,7 @@ static int otm3225a_set_power(struct lcd_device *ld, int power)
 	if (power == dd->power)
 		return 0;
 
-	if (power > FB_BLANK_UNBLANK)
+	if (power > LCD_POWER_ON)
 		otm3225a_write(dd->spi, display_off, ARRAY_SIZE(display_off));
 	else
 		otm3225a_write(dd->spi, display_on, ARRAY_SIZE(display_on));