backlight: pcf50633-backlight: 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 <[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/pcf50633-backlight.c

···
 #include <linux/platform_device.h>
 
 #include <linux/backlight.h>
-#include <linux/fb.h>
 
 #include <linux/mfd/pcf50633/core.h>
 #include <linux/mfd/pcf50633/backlight.h>
···
 
 
 	if (bl->props.state & (BL_CORE_SUSPENDED | BL_CORE_FBBLANK) ||
-		bl->props.power != FB_BLANK_UNBLANK)
+		bl->props.power != BACKLIGHT_POWER_ON)
 		new_brightness = 0;
 	else if (bl->props.brightness < pcf_bl->brightness_limit)
 		new_brightness = bl->props.brightness;
···
 	memset(&bl_props, 0, sizeof(bl_props));
 	bl_props.type = BACKLIGHT_RAW;
 	bl_props.max_brightness = 0x3f;
-	bl_props.power = FB_BLANK_UNBLANK;
+	bl_props.power = BACKLIGHT_POWER_ON;
 
 	if (pdata) {
 		bl_props.brightness = pdata->default_brightness;