[Intel-gfx] [PATCH] drm/i915: register backlight device also when backlight class is a module

[Damien Lespiau]

On Wed, Sep 18, 2013 at 05:19:45PM +0300, Jani Nikula wrote:
> Ville and I were wondering why his laptop was missing the
> intel_backlight sysfs interface. Turns out we never register it when
> CONFIG_BACKLIGHT_CLASS_DEVICE=m. This has been broken ever since the
> i915 native backlight interface was added.
> 
> CC: stable at vger.kernel.org
> CC: Ville Syrjälä <ville.syrjala at linux.intel.com>
> Signed-off-by: Jani Nikula <jani.nikula at intel.com>

FWIW, a quick git grep -e "#if.*def.*CONFIG" drivers/gpu/drm/i915/ did
not return anything else of this kind.

Reviewed-by: Damien Lespiau <damien.lespiau at intel.com>

-- 
Damien

> ---
>  drivers/gpu/drm/i915/intel_panel.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
> index fdf9cb5..3bc89a6 100644
> --- a/drivers/gpu/drm/i915/intel_panel.c
> +++ b/drivers/gpu/drm/i915/intel_panel.c
> @@ -659,7 +659,7 @@ intel_panel_detect(struct drm_device *dev)
>  	}
>  }
>  
> -#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
> +#if IS_ENABLED(CONFIG_BACKLIGHT_CLASS_DEVICE)
>  static int intel_panel_update_status(struct backlight_device *bd)
>  {
>  	struct drm_device *dev = bl_get_data(bd);
> -- 
> 1.7.9.5
> 
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