diff --git a/buildroot-external/board/pc/generic-x86-64/kernel.config b/buildroot-external/board/pc/generic-x86-64/kernel.config
index e0312fede..2ff6448c9 100644
--- a/buildroot-external/board/pc/generic-x86-64/kernel.config
+++ b/buildroot-external/board/pc/generic-x86-64/kernel.config
@@ -38,6 +38,9 @@ CONFIG_DRM_I915_CAPTURE_ERROR=y
 CONFIG_DRM_I915_COMPRESS_ERROR=y
 CONFIG_DRM_I915_USERPTR=y
 
+CONFIG_BACKLIGHT_CLASS_DEVICE=y
+CONFIG_BACKLIGHT_PWM=m
+
 CONFIG_MMC=y
 CONFIG_MMC_BLOCK=y
 CONFIG_MMC_SDHCI=y