backlight: l4f00242t03: 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 <[e-mail]>
Reviewed-by: Daniel Thompson <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Lee Jones <[e-mail]>

drivers/video/backlight/l4f00242t03.c

···
 	const u16 slpin = 0x10;
 	const u16 disoff = 0x28;
 
-	if (power <= FB_BLANK_NORMAL) {
-		if (priv->lcd_state <= FB_BLANK_NORMAL) {
+	if (power <= LCD_POWER_REDUCED) {
+		if (priv->lcd_state <= LCD_POWER_REDUCED) {
 			/* Do nothing, the LCD is running */
-		} else if (priv->lcd_state < FB_BLANK_POWERDOWN) {
+		} else if (priv->lcd_state < LCD_POWER_OFF) {
 			dev_dbg(&spi->dev, "Resuming LCD\n");
 
 			spi_write(spi, (const u8 *)&slpout, sizeof(u16));
 			msleep(60);
 			spi_write(spi, (const u8 *)&dison, sizeof(u16));
 		} else {
-			/* priv->lcd_state == FB_BLANK_POWERDOWN */
+			/* priv->lcd_state == LCD_POWER_OFF */
 			l4f00242t03_lcd_init(spi);
-			priv->lcd_state = FB_BLANK_VSYNC_SUSPEND;
+			priv->lcd_state = LCD_POWER_REDUCED_VSYNC_SUSPEND;
 			l4f00242t03_lcd_power_set(priv->ld, power);
 		}
-	} else if (power < FB_BLANK_POWERDOWN) {
-		if (priv->lcd_state <= FB_BLANK_NORMAL) {
+	} else if (power < LCD_POWER_OFF) {
+		if (priv->lcd_state <= LCD_POWER_REDUCED) {
 			/* Send the display in standby */
 			dev_dbg(&spi->dev, "Standby the LCD\n");
 
 			spi_write(spi, (const u8 *)&disoff, sizeof(u16));
 			msleep(60);
 			spi_write(spi, (const u8 *)&slpin, sizeof(u16));
-		} else if (priv->lcd_state < FB_BLANK_POWERDOWN) {
+		} else if (priv->lcd_state < LCD_POWER_OFF) {
 			/* Do nothing, the LCD is already in standby */
 		} else {
-			/* priv->lcd_state == FB_BLANK_POWERDOWN */
+			/* priv->lcd_state == LCD_POWER_OFF */
 			l4f00242t03_lcd_init(spi);
-			priv->lcd_state = FB_BLANK_UNBLANK;
+			priv->lcd_state = LCD_POWER_ON;
 			l4f00242t03_lcd_power_set(ld, power);
 		}
 	} else {
-		/* power == FB_BLANK_POWERDOWN */
-		if (priv->lcd_state != FB_BLANK_POWERDOWN) {
+		/* power == LCD_POWER_OFF */
+		if (priv->lcd_state != LCD_POWER_OFF) {
 			/* Clear the screen before shutting down */
 			spi_write(spi, (const u8 *)&disoff, sizeof(u16));
 			msleep(60);
···
 
 	/* Init the LCD */
 	l4f00242t03_lcd_init(spi);
-	priv->lcd_state = FB_BLANK_VSYNC_SUSPEND;
-	l4f00242t03_lcd_power_set(priv->ld, FB_BLANK_UNBLANK);
+	priv->lcd_state = LCD_POWER_REDUCED_VSYNC_SUSPEND;
+	l4f00242t03_lcd_power_set(priv->ld, LCD_POWER_ON);
 
 	dev_info(&spi->dev, "Epson l4f00242t03 lcd probed.\n");
 
···
 {
 	struct l4f00242t03_priv *priv = spi_get_drvdata(spi);
 
-	l4f00242t03_lcd_power_set(priv->ld, FB_BLANK_POWERDOWN);
+	l4f00242t03_lcd_power_set(priv->ld, LCD_POWER_OFF);
 }
 
 static void l4f00242t03_shutdown(struct spi_device *spi)
···
 	struct l4f00242t03_priv *priv = spi_get_drvdata(spi);
 
 	if (priv)
-		l4f00242t03_lcd_power_set(priv->ld, FB_BLANK_POWERDOWN);
+		l4f00242t03_lcd_power_set(priv->ld, LCD_POWER_OFF);
 
 }