diff options
Diffstat (limited to 'drivers/acpi/video_detect.c')
-rw-r--r-- | drivers/acpi/video_detect.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c index e6bd910bc6ed..c3397748ba46 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 |