Re: [PATCH] backlight: use of_find_backlight_by_node stub when backlight class disabled

[Lee Jones]

On Wed, 29 Oct 2014, Heiko StÃbner 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 <heiko@xxxxxxxxx>
> ---
>  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 â Open source software for ARM SoCs
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