backlight: kb3886-bl: 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/kb3886_bl.c

···
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
+#include <linux/io.h>
 #include <linux/platform_device.h>
 #include <linux/mutex.h>
-#include <linux/fb.h>
 #include <linux/backlight.h>
 #include <linux/delay.h>
 #include <linux/dmi.h>
···
 
 	platform_set_drvdata(pdev, kb3886_backlight_device);
 
-	kb3886_backlight_device->props.power = FB_BLANK_UNBLANK;
+	kb3886_backlight_device->props.power = BACKLIGHT_POWER_ON;
 	kb3886_backlight_device->props.brightness = machinfo->default_intensity;
 	backlight_update_status(kb3886_backlight_device);