On Tue, 31 Jan 2017, Noralf Trønnes <noralf@xxxxxxxxxxx> wrote: > +#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE BACKLIGHT_CLASS_DEVICE is a tristate, you'll want #if IS_ENABLED(CONFIG_BACKLIGHT_CLASS_DEVICE) and probably either depends on BACKLIGHT_CLASS_DEVICE or depends on BACKLIGHT_CLASS_DEVICE || BACKLIGHT_CLASS_DEVICE=n in your Kconfig. BR, Jani. -- Jani Nikula, Intel Open Source Technology Center -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html