tuna: Power HAL: Enable touchscreen input boost

Change-Id: I8d296e36222a45599edf7d3cab48a9aa8aae7bd7
diff --git a/power/power_tuna.c b/power/power_tuna.c
index 63ccfe8..0613bff 100644
--- a/power/power_tuna.c
+++ b/power/power_tuna.c
@@ -68,7 +68,7 @@
 
     /*
      * cpufreq interactive governor: timer 20ms, min sample 100ms,
-     * hispeed 700MHz at load 40%
+     * hispeed 700MHz at load 40%, input boost enabled.
      */
 
     sysfs_write("/sys/devices/system/cpu/cpufreq/interactive/timer_rate",
@@ -81,6 +81,7 @@
                 "40");
     sysfs_write("/sys/devices/system/cpu/cpufreq/interactive/above_hispeed_delay",
                 "100000");
+    sysfs_write("/sys/devices/system/cpu/cpufreq/interactive/input_boost", "1");
 }
 
 static void tuna_power_set_interactive(struct power_module *module, int on)