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Date:   Sun, 26 Feb 2017 23:44:40 +0100
From:   Noralf Trønnes <noralf@...nnes.org>
To:     dri-devel@...ts.freedesktop.org, Daniel Vetter <daniel@...ll.ch>
Cc:     linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] drm/tinydrm: helpers: Properly fix backlight
 dependency


Den 23.02.2017 14.29, skrev Noralf Trønnes:
> BACKLIGHT_CLASS_DEVICE was selected in the last version of the
> tinydrm patchset to fix the backlight dependency, but the
> ifdef CONFIG_BACKLIGHT_CLASS_DEVICE was forgotten. Fix that.
>
> Signed-off-by: Noralf Trønnes <noralf@...nnes.org>
> ---

Please apply this, it causes a build error if backlight is built as
a module. In my haste to fix the problems reported after tinydrm was
pulled, I mistook it for a warning so it was mislabeled.
Sorry about the noise caused by tinydrm.

Noralf.


>   include/drm/tinydrm/tinydrm-helpers.h | 19 -------------------
>   1 file changed, 19 deletions(-)
>
> diff --git a/include/drm/tinydrm/tinydrm-helpers.h b/include/drm/tinydrm/tinydrm-helpers.h
> index 78175fe..9b9b6cf 100644
> --- a/include/drm/tinydrm/tinydrm-helpers.h
> +++ b/include/drm/tinydrm/tinydrm-helpers.h
> @@ -44,28 +44,9 @@ void tinydrm_xrgb8888_to_rgb565(u16 *dst, void *vaddr,
>   				struct drm_framebuffer *fb,
>   				struct drm_clip_rect *clip, bool swap);
>   
> -#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
>   struct backlight_device *tinydrm_of_find_backlight(struct device *dev);
>   int tinydrm_enable_backlight(struct backlight_device *backlight);
>   int tinydrm_disable_backlight(struct backlight_device *backlight);
> -#else
> -static inline struct backlight_device *
> -tinydrm_of_find_backlight(struct device *dev)
> -{
> -	return NULL;
> -}
> -
> -static inline int tinydrm_enable_backlight(struct backlight_device *backlight)
> -{
> -	return 0;
> -}
> -
> -static inline int
> -tinydrm_disable_backlight(struct backlight_device *backlight)
> -{
> -	return 0;
> -}
> -#endif
>   
>   size_t tinydrm_spi_max_transfer_size(struct spi_device *spi, size_t max_len);
>   bool tinydrm_spi_bpw_supported(struct spi_device *spi, u8 bpw);

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