diff --git a/external/config/kernel/linux-sun50iw9-legacy.config b/external/config/kernel/linux-sun50iw9-legacy.config
index 9e80e4e..d16ab22 100644
--- a/external/config/kernel/linux-sun50iw9-legacy.config
+++ b/external/config/kernel/linux-sun50iw9-legacy.config
@@ -1809,6 +1809,7 @@ CONFIG_AW_WIFI_DEVICE_UWE5622=y
 CONFIG_AW_BIND_VERIFY=y
 CONFIG_WLAN_UWE5622=m
 CONFIG_SPRDWL_NG=m
+CONFIG_UNISOC_WIFI_PS=y
 CONFIG_TTY_OVERY_SDIO=m
 CONFIG_RTL8822BS=m
 CONFIG_RTL8821CS=m