Index: sdk/yc_bt.c
===================================================================
--- /YC3121_SDK/fw/sdk/yc_bt.c	(revision 887)
+++ /YC3121_SDK/fw/sdk/yc_bt.c	(working copy)
@@ -518,6 +518,7 @@
     msg.DataLen =1;
     msg.p_data = &temp_mode;
     SendCMD(&msg);
+    bt_lpm_mode = mode;
     return TRUE;
 }