diff --git a/include/system/graphics.h b/include/system/graphics.h
index e206e3e..24e2bfb 100644
--- a/include/system/graphics.h
+++ b/include/system/graphics.h
@@ -78,7 +78,8 @@
      * - a vertical stride equal to the height
      *
      *   y_size = stride * height
-     *   c_size = ALIGN(stride/2, 16) * height/2
+     *   c_stride = ALIGN(stride/2, 16)
+     *   c_size = c_stride * height/2
      *   size = y_size + c_size * 2
      *   cr_offset = y_size
      *   cb_offset = y_size + c_size
diff --git a/rootdir/init.rc b/rootdir/init.rc
index 48a5f25..c19b049 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -274,6 +274,8 @@
     chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/above_hispeed_delay
     chown system system /sys/devices/system/cpu/cpufreq/interactive/boost
     chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/boost
+    chown system system /sys/devices/system/cpu/cpufreq/interactive/input_boost
+    chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/input_boost
 
     # Assume SMP uses shared cpufreq policy for all CPUs
     chown system system /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq