diff --git a/init.hammerhead.rc b/init.hammerhead.rc
index 92f1f30..b43ab71 100644
--- a/init.hammerhead.rc
+++ b/init.hammerhead.rc
@@ -55,10 +55,12 @@
     chown bluetooth net_bt_stack /sys/class/rfkill/rfkill0/type
     chown bluetooth net_bt_stack /sys/class/rfkill/rfkill0/state
     chmod 0660 /sys/class/rfkill/rfkill0/state
-    chown bluetooth net_bt_stack /dev/ttyHS99
-    chmod 0660 /dev/ttyHS99
-    chown bluetooth net_bt_stack /proc/bluetooth/sleep/proto
-    chmod 0660 /proc/bluetooth/sleep/proto
+
+    # bluetooth LPM
+    chown bluetooth net_bt_stack /proc/bluetooth/sleep/lpm
+    chown bluetooth net_bt_stack /proc/bluetooth/sleep/btwrite
+
+    #bluetooth UART dev
     chown bluetooth net_bt_stack /sys/devices/platform/msm_serial_hs.0/clock
     chmod 0660 /sys/devices/platform/msm_serial_hs.0/clock
 
diff --git a/ueventd.hammerhead.rc b/ueventd.hammerhead.rc
index e49673b..0a38222 100644
--- a/ueventd.hammerhead.rc
+++ b/ueventd.hammerhead.rc
@@ -39,3 +39,4 @@
 /dev/jpeg0                0660   system     camera
 /dev/jpeg1                0660   system     camera
 /dev/jpeg2                0660   system     camera
+/dev/ttyHS99              0660   bluetooth  net_bt_stack