[PATCH v3 2/7] drm/tinydrm: Add helper functions

[Jani Nikula]

On Tue, 31 Jan 2017, Noralf Trønnes <noralf at tronnes.org> 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