dumpling: Configure permissions for tri-state key

Author: kerneltoast

rootdir/root/init.target.rc

@@ -252,6 +252,14 @@ on boot
     chown system system /sys/class/timed_output/vibrator/wf_rep
     chown system system /sys/class/timed_output/vibrator/wf_s_rep
 
+    # Tri-state key
+    chown root system /proc/tri-state-key/keyCode_top
+    chmod 0660 /proc/tri-state-key/keyCode_top
+    chown root system /proc/tri-state-key/keyCode_middle
+    chmod 0660 /proc/tri-state-key/keyCode_middle
+    chown root system /proc/tri-state-key/keyCode_bottom
+    chmod 0660 /proc/tri-state-key/keyCode_bottom
+
 #fingerprint service
 service fingerprintd /system/bin/fingerprintd
     class late_start