X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=drivers%2Facpi%2Fvideo_detect.c;h=c3397748ba466ca13f41c664b4c374c7dea5d028;hb=521a87cdaece333cb2b89dd6393613119af5a431;hp=e6bd910bc6edee4b55e3b6de7888bdd5c5ec06f6;hpb=704278ccb5c9fcbe09d1be3657950c17fad18ba8;p=~andy%2Flinux

diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index e6bd910bc6e..c3397748ba4 100644
--- 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");
@@ -234,6 +236,12 @@ 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