drm/radeon: fix compilation with backlight disabled
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/radeon/radeon_acpi.c b/drivers/gpu/drm/radeon/radeon_acpi.c
index ecb7e33..196d28d 100644
--- a/drivers/gpu/drm/radeon/radeon_acpi.c
+++ b/drivers/gpu/drm/radeon/radeon_acpi.c
@@ -370,6 +370,7 @@
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 @@
backlight_force_update(dig->bl_dev,
BACKLIGHT_UPDATE_HOTKEY);
}
+#endif
}
}
/* TODO: check other events */