ACPI / video: Make acpi_video_unregister_backlight() private

acpi_video_unregister_backlight() is now only used by video_detect.c
which is part of the same acpi_video module as video.c, make
acpi_video_unregister_backlight() private to this module.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Darren Hart <dvhart@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/acpi/acpi_video.c b/drivers/acpi/acpi_video.c
index 5b877a1..8c2fe2f 100644 (file)
--- a/drivers/acpi/acpi_video.c
+++ b/drivers/acpi/acpi_video.c
@@ -2021,7 +2021,6 @@ void acpi_video_unregister_backlight(void)
        }
        mutex_unlock(&register_count_mutex);
 }
-EXPORT_SYMBOL(acpi_video_unregister_backlight);
 
 /*
  * This is kind of nasty. Hardware using Intel chipsets may require

diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index c392579..815f75e 100644 (file)
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -37,6 +37,8 @@
 ACPI_MODULE_NAME("video");
 #define _COMPONENT             ACPI_VIDEO_COMPONENT
 
+void acpi_video_unregister_backlight(void);
+
 static bool backlight_notifier_registered;
 static struct notifier_block backlight_nb;
 

diff --cc include/acpi/video.h
Simple merge