diff --git a/adb/usb_vendors.c b/adb/usb_vendors.c
index df1244f..f679a54 100755
--- a/adb/usb_vendors.c
+++ b/adb/usb_vendors.c
@@ -78,6 +78,8 @@
 #define VENDOR_ID_HARRIS        0x19A5
 // Hisense's USB Vendor ID
 #define VENDOR_ID_HISENSE       0x109b
+// HP's USB Vendor ID
+#define VENDOR_ID_HP            0x03f0
 // HTC's USB Vendor ID
 #define VENDOR_ID_HTC           0x0bb4
 // Huawei's USB Vendor ID
@@ -200,6 +202,7 @@
     VENDOR_ID_HAIER,
     VENDOR_ID_HARRIS,
     VENDOR_ID_HISENSE,
+    VENDOR_ID_HP,
     VENDOR_ID_HTC,
     VENDOR_ID_HUAWEI,
     VENDOR_ID_INQ_MOBILE,
diff --git a/rootdir/init.trace.rc b/rootdir/init.trace.rc
index 8a05fd0..50944e6 100644
--- a/rootdir/init.trace.rc
+++ b/rootdir/init.trace.rc
@@ -9,6 +9,7 @@
     chown root shell /sys/kernel/debug/tracing/trace_clock
     chown root shell /sys/kernel/debug/tracing/buffer_size_kb
     chown root shell /sys/kernel/debug/tracing/options/overwrite
+    chown root shell /sys/kernel/debug/tracing/options/print-tgid
     chown root shell /sys/kernel/debug/tracing/events/sched/sched_switch/enable
     chown root shell /sys/kernel/debug/tracing/events/sched/sched_wakeup/enable
     chown root shell /sys/kernel/debug/tracing/events/power/cpu_frequency/enable
@@ -20,6 +21,7 @@
     chmod 0664 /sys/kernel/debug/tracing/trace_clock
     chmod 0664 /sys/kernel/debug/tracing/buffer_size_kb
     chmod 0664 /sys/kernel/debug/tracing/options/overwrite
+    chmod 0664 /sys/kernel/debug/tracing/options/print-tgid
     chmod 0664 /sys/kernel/debug/tracing/events/sched/sched_switch/enable
     chmod 0664 /sys/kernel/debug/tracing/events/sched/sched_wakeup/enable
     chmod 0664 /sys/kernel/debug/tracing/events/power/cpu_frequency/enable