[PATCH] radeon: Fix KMS legacy backlight support if CONFIG_BACKLIGHT_CLASS_DEVICE=m.

[Michel Dänzer]

From: Michel Dänzer <daenzer at vmware.com>

Signed-off-by: Michel Dänzer <daenzer at vmware.com>
Signed-off-by: Michel Dänzer <michel at daenzer.net>
---
 drivers/gpu/drm/radeon/radeon_legacy_encoders.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
index 5b54268..2f46e0c 100644
--- a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
@@ -269,7 +269,7 @@ static const struct drm_encoder_helper_funcs radeon_legacy_lvds_helper_funcs = {
 	.disable = radeon_legacy_encoder_disable,
 };
 
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
+#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
 
 #define MAX_RADEON_LEVEL 0xFF
 
-- 
1.7.4.1