On Wed, 29 Oct 2014, Heiko Stübner wrote:
> Drivers may want to search for an optional backlight even when the backlight
> class is disabled. In this case the linker would miss the function referenced
> in the backlight header.
>
> Therefore use the stub function also when the backlight class is disabled.
>
> Signed-off-by: Heiko Stuebner <he...@sntech.de>
> ---
> include/linux/backlight.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Applied to Backlight -next with Jingoo's Ack.
> diff --git a/include/linux/backlight.h b/include/linux/backlight.h
> index adb14a8..d9cb644 100644
> --- a/include/linux/backlight.h
> +++ b/include/linux/backlight.h
> @@ -157,7 +157,7 @@ struct generic_bl_info {
> void (*kick_battery)(void);
> };
>
> -#ifdef CONFIG_OF
> +#if defined(CONFIG_OF) && defined(CONFIG_BACKLIGHT_CLASS_DEVICE)
> struct backlight_device *of_find_backlight_by_node(struct device_node *node);
> #else
> static inline struct backlight_device *
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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