1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/gpu/drm/i915/intel_bios.h b/drivers/gpu/drm/i915/intel_bios.h
index 83b7629e4367..f27f7b282465 100644
--- a/drivers/gpu/drm/i915/intel_bios.h
+++ b/drivers/gpu/drm/i915/intel_bios.h
@@ -374,6 +374,9 @@ struct bdb_lvds_lfp_data {
         struct bdb_lvds_lfp_data_entry data[16];
 } __packed;
 
+#define BDB_BACKLIGHT_TYPE_NONE 0
+#define BDB_BACKLIGHT_TYPE_PWM  2
+
 struct bdb_lfp_backlight_data_entry {
         u8 type:2;
         u8 active_low_pwm:1;