msm_mpdecision: add sysfs interface for input event boost

Signed-off-by: Dennis Rassmann <showp1984@gmail.com>

arch/arm/mach-msm/msm_mpdecision.c

@@ -115,7 +115,7 @@ static struct msm_mpdec_tuners {
     unsigned int max_cpus;
     unsigned int min_cpus;
 #ifdef CONFIG_MSM_MPDEC_INPUTBOOST_CPUMIN
-    bool boost_cpumin_on_input_event;
+    bool boost_enabled;
     unsigned int boost_time;
     unsigned long int boost_freq[4];
 #endif
@@ -128,7 +128,7 @@ static struct msm_mpdec_tuners {
     .max_cpus = CONFIG_NR_CPUS,
     .min_cpus = 1,
 #ifdef CONFIG_MSM_MPDEC_INPUTBOOST_CPUMIN
-    .boost_cpumin_on_input_event = true,
+    .boost_enabled = true,
     .boost_time = MSM_MPDEC_BOOSTTIME,
     .boost_freq = {
         MSM_MPDEC_BOOSTFREQ_CPU0,
@@ -460,7 +460,7 @@ static void mpdec_input_event(struct input_handle *handle, unsigned int type,
         unsigned int code, int value) {
     int i = 0;
 
-    if (!msm_mpdec_tuners_ins.boost_cpumin_on_input_event)
+    if (!msm_mpdec_tuners_ins.boost_enabled)
         return;
 
     if (!is_screen_on)
@@ -612,6 +612,10 @@ show_one(pause, pause);
 show_one(scroff_single_core, scroff_single_core);
 show_one(min_cpus, min_cpus);
 show_one(max_cpus, max_cpus);
+#ifdef CONFIG_MSM_MPDEC_INPUTBOOST_CPUMIN
+show_one(boost_enabled, boost_enabled);
+show_one(boost_time, boost_time);
+#endif
 
 #define show_one_twts(file_name, arraypos)                              \
 static ssize_t show_##file_name                                         \
@@ -871,6 +875,67 @@ static ssize_t store_enabled(struct kobject *a, struct attribute *b,
     return count;
 }
 
+#ifdef CONFIG_MSM_MPDEC_INPUTBOOST_CPUMIN
+static ssize_t store_boost_enabled(struct kobject *a, struct attribute *b,
+                   const char *buf, size_t count)
+{
+    unsigned int input;
+    int ret;
+    ret = sscanf(buf, "%u", &input);
+    if (ret != 1)
+        return -EINVAL;
+
+    msm_mpdec_tuners_ins.boost_enabled = input;
+
+    return count;
+}
+
+static ssize_t store_boost_time(struct kobject *a, struct attribute *b,
+                   const char *buf, size_t count)
+{
+    unsigned int input;
+    int ret;
+    ret = sscanf(buf, "%u", &input);
+    if (ret != 1)
+        return -EINVAL;
+
+    msm_mpdec_tuners_ins.boost_time = input;
+
+    return count;
+}
+
+static ssize_t show_boost_freqs(struct kobject *a, struct attribute *b,
+                   char *buf)
+{
+    ssize_t len = 0;
+    int cpu = 0;
+
+    for_each_present_cpu(cpu) {
+        len += sprintf(buf + len, "%lu\n", per_cpu(msm_mpdec_cpudata, cpu).boost_freq);
+    }
+    return len;
+}
+static ssize_t store_boost_freqs(struct kobject *a, struct attribute *b,
+                   const char *buf, size_t count)
+{
+    int i = 0;
+    unsigned int cpu = 0;
+    long unsigned int hz = 0;
+    const char *chz = NULL;
+
+    for (i=0; i<count; i++) {
+        if (buf[i] == ' ') {
+            sscanf(&buf[(i-1)], "%u", &cpu);
+            chz = &buf[(i+1)];
+        }
+    }
+    sscanf(chz, "%lu", &hz);
+    per_cpu(msm_mpdec_cpudata, cpu).boost_freq = hz;
+    return count;
+}
+define_one_global_rw(boost_freqs);
+#endif
+
 define_one_global_rw(startdelay);
 define_one_global_rw(delay);
 define_one_global_rw(pause);
@@ -879,6 +944,10 @@ define_one_global_rw(idle_freq);
 define_one_global_rw(min_cpus);
 define_one_global_rw(max_cpus);
 define_one_global_rw(enabled);
+#ifdef CONFIG_MSM_MPDEC_INPUTBOOST_CPUMIN
+define_one_global_rw(boost_enabled);
+define_one_global_rw(boost_time);
+#endif
 
 static struct attribute *msm_mpdec_attributes[] = {
     &startdelay.attr,
@@ -905,6 +974,11 @@ static struct attribute *msm_mpdec_attributes[] = {
     &nwns_threshold_5.attr,
     &nwns_threshold_6.attr,
     &nwns_threshold_7.attr,
+#ifdef CONFIG_MSM_MPDEC_INPUTBOOST_CPUMIN
+    &boost_freqs.attr,
+    &boost_enabled.attr,
+    &boost_time.attr,
+#endif
     NULL
 };