backlight: lms283gf05: 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/20240906075439.98476-12-tzimmermann@suse.de
Signed-off-by: Lee Jones <lee@kernel.org>

Author: tdz

drivers/video/backlight/lms283gf05.c

@@ -126,7 +126,7 @@ static int lms283gf05_power_set(struct lcd_device *ld, int power)
 	struct lms283gf05_state *st = lcd_get_data(ld);
 	struct spi_device *spi = st->spi;
 
-	if (power <= FB_BLANK_NORMAL) {
+	if (power <= LCD_POWER_REDUCED) {
 		if (st->reset)
 			lms283gf05_reset(st->reset);
 		lms283gf05_toggle(spi, disp_initseq, ARRAY_SIZE(disp_initseq));