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 5b877a127167662ee9693b869b3db4321d88d3bd..8c2fe2f2f9fdcae010f7df99e172ade584885847 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 c3925790203b5647c5ef223dedf96f9cf41c508f..815f75ef24119eab28ce3c0c2047295c6e464c58 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 --git a/include/acpi/video.h b/include/acpi/video.h
index 47c7ad6594c84df9b95ed3492ad88690ed746d8b..a7d7f1043e9c124f84dbd1130259c343a754c9db 100644 (file)
--- a/include/acpi/video.h
+++ b/include/acpi/video.h
@@ -27,7 +27,6 @@ enum acpi_backlight_type {
 #if (defined CONFIG_ACPI_VIDEO || defined CONFIG_ACPI_VIDEO_MODULE)
 extern int acpi_video_register(void);
 extern void acpi_video_unregister(void);
-extern void acpi_video_unregister_backlight(void);
 extern int acpi_video_get_edid(struct acpi_device *device, int type,
                               int device_id, void **edid);
 extern enum acpi_backlight_type acpi_video_get_backlight_type(void);
@@ -35,7 +34,6 @@ extern void acpi_video_set_dmi_backlight_type(enum acpi_backlight_type type);
 #else
 static inline int acpi_video_register(void) { return 0; }
 static inline void acpi_video_unregister(void) { return; }
-static inline void acpi_video_unregister_backlight(void) { return; }
 static inline int acpi_video_get_edid(struct acpi_device *device, int type,
                                      int device_id, void **edid)
 {