drm/i915: fix intel_backlight_device_register declaration
The alternative intel_backlight_device_register() definition apparently
never got used, but I have now run into a case of i915 being compiled
without CONFIG_BACKLIGHT_CLASS_DEVICE, resulting in a number of
identical warnings:
drivers/gpu/drm/i915/intel_drv.h:1739:12: error: 'intel_backlight_device_register' defined but not used [-Werror=unused-function]
This marks the function as 'inline', which was surely the original
intention here.
Fixes: 1ebaa0b9c2
("drm/i915: Move backlight registration to connector registration")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20171127151239.1813673-1-arnd@arndb.de
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@ -1750,7 +1750,7 @@ extern struct drm_display_mode *intel_find_panel_downclock(
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int intel_backlight_device_register(struct intel_connector *connector);
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void intel_backlight_device_unregister(struct intel_connector *connector);
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#else /* CONFIG_BACKLIGHT_CLASS_DEVICE */
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static int intel_backlight_device_register(struct intel_connector *connector)
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static inline int intel_backlight_device_register(struct intel_connector *connector)
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{
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return 0;
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}
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