diff --git a/sepolicy/file.te b/sepolicy/file.te
index 2e9565c..4355c58 100644
--- a/sepolicy/file.te
+++ b/sepolicy/file.te
@@ -8,3 +8,4 @@ type firmware_file, fs_type, contextmount_type;
 type persist_file, file_type;
 type persist_data_file, file_type;
 type persist_display_file, file_type;
+type persist_sensors_file, file_type;
diff --git a/sepolicy/file_contexts b/sepolicy/file_contexts
index 0bef9f3..ffb35ef 100644
--- a/sepolicy/file_contexts
+++ b/sepolicy/file_contexts
@@ -81,6 +81,7 @@
 /firmware(/.*)?         u:object_r:firmware_file:s0
 
 # /persist
-/persist(/.*)?          u:object_r:persist_file:s0
-/persist/data(/.*)?     u:object_r:persist_data_file:s0
-/persist/display(/.*)?  u:object_r:persist_display_file:s0
+/persist(/.*)?            u:object_r:persist_file:s0
+/persist/data(/.*)?       u:object_r:persist_data_file:s0
+/persist/display(/.*)?    u:object_r:persist_display_file:s0
+/persist/sensors(/.*)?    u:object_r:persist_sensors_file:s0
diff --git a/sepolicy/system_server.te b/sepolicy/system_server.te
new file mode 100644
index 0000000..bd617fe
--- /dev/null
+++ b/sepolicy/system_server.te
@@ -0,0 +1,4 @@
+allow system_server self:socket ioctl;
+allowxperm system_server self:socket ioctl msm_sock_ipc_ioctls;
+
+allow system_server persist_sensors_file:file r_file_perms;