diff --git a/target/linux/generic/config-3.18 b/target/linux/generic/config-3.18
index 68fad28dc2..a5cc156add 100644
--- a/target/linux/generic/config-3.18
+++ b/target/linux/generic/config-3.18
@@ -3597,7 +3597,10 @@ CONFIG_SND_DRIVERS=y
 # CONFIG_SND_GUSCLASSIC is not set
 # CONFIG_SND_GUSEXTREME is not set
 # CONFIG_SND_GUSMAX is not set
+# CONFIG_SND_HDA_INPUT_JACK is not set
 # CONFIG_SND_HDA_INTEL is not set
+CONFIG_SND_HDA_POWER_SAVE_DEFAULT=0
+CONFIG_SND_HDA_PREALLOC_SIZE=64
 # CONFIG_SND_HDSP is not set
 # CONFIG_SND_HDSPM is not set
 # CONFIG_SND_HRTIMER is not set