Merge branch 'acpi-cleanup'

[linux-beck.git] / drivers / acpi / video_detect.c

diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index ddefa5f954e2d360a196beadd0c5710688481930..940edbf2fe8f4460b27fceb1e7fe5fdb7cbacfc3 100644 (file)
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -38,6 +38,8 @@
 #include <linux/dmi.h>
 #include <linux/pci.h>
 
+#include "internal.h"
+
 #define PREFIX "ACPI: "
 
 ACPI_MODULE_NAME("video");
@@ -231,6 +233,12 @@ static void acpi_video_caps_check(void)
                acpi_video_get_capabilities(NULL);
 }
 
+bool acpi_video_backlight_quirks(void)
+{
+       return acpi_gbl_osi_data >= ACPI_OSI_WIN_8;
+}
+EXPORT_SYMBOL(acpi_video_backlight_quirks);
+
 /* Promote the vendor interface instead of the generic video module.
  * This function allow DMI blacklists to be implemented by externals
  * platform drivers instead of putting a big blacklist in video_detect.c