drm/radeon: fix compilation with backlight disabled

[linux-2.6-microblaze.git] / drivers / gpu / drm / radeon / radeon_acpi.c

diff --git a/drivers/gpu/drm/radeon/radeon_acpi.c b/drivers/gpu/drm/radeon/radeon_acpi.c
index ecb7e33..196d28d 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_acpi.c
+++ b/drivers/gpu/drm/radeon/radeon_acpi.c
@@ -370,6 +370,7 @@ int radeon_atif_handler(struct radeon_device *rdev,
 
                        radeon_set_backlight_level(rdev, enc, req.backlight_level);
 
+#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
                        if (rdev->is_atom_bios) {
                                struct radeon_encoder_atom_dig *dig = enc->enc_priv;
                                backlight_force_update(dig->bl_dev,
@@ -379,6 +380,7 @@ int radeon_atif_handler(struct radeon_device *rdev,
                                backlight_force_update(dig->bl_dev,
                                                       BACKLIGHT_UPDATE_HOTKEY);
                        }
+#endif
                }
        }
        /* TODO: check other events */