diff --git a/drivers/cpufreq/Kconfig b/drivers/cpufreq/Kconfig
index cbcb21e..d0b22de 100644
--- a/drivers/cpufreq/Kconfig
+++ b/drivers/cpufreq/Kconfig
@@ -102,6 +102,18 @@ config CPU_FREQ_DEFAULT_GOV_CONSERVATIVE
 	  Be aware that not all cpufreq drivers support the conservative
 	  governor. If unsure have a look at the help section of the
 	  driver. Fallback governor will be the performance governor.
+
+config CPU_FREQ_DEFAULT_GOV_LAB
+	bool "lab"
+	select CPU_FREQ_GOV_LAB
+	select CPU_FREQ_GOV_PERFORMANCE
+	help
+	  Use the CPUFreq governor 'lab' as default. This allows
+	  you to get a full dynamic frequency capable system by simply
+	  loading your cpufreq low-level hardware driver.
+	  Be aware that not all cpufreq drivers support the lab governor.
+	  If unsure have a look at the help section of the driver.
+	  Fallback governor will be the performance governor.
 endchoice
 
 config CPU_FREQ_GOV_PERFORMANCE
@@ -184,6 +196,20 @@ config CPU_FREQ_GOV_CONSERVATIVE
 
 	  If in doubt, say N.
 
+config CPU_FREQ_GOV_LAB
+	tristate "'lab' cpufreq policy governor"
+	select CPU_FREQ_TABLE
+	select CPU_FREQ_GOV_COMMON
+	help
+	  'lab' - This driver adds a dynamic cpufreq policy governor.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called cpufreq_ondemand.
+
+	  For details, take a look at linux/Documentation/cpu-freq.
+
+	  If in doubt, say N.
+
 config GENERIC_CPUFREQ_CPU0
 	tristate "Generic CPU0 cpufreq driver"
 	depends on HAVE_CLK && REGULATOR && PM_OPP && OF
diff --git a/drivers/cpufreq/Makefile b/drivers/cpufreq/Makefile
index 863fd18..2520fa7 100644
--- a/drivers/cpufreq/Makefile
+++ b/drivers/cpufreq/Makefile
@@ -9,6 +9,7 @@ obj-$(CONFIG_CPU_FREQ_GOV_POWERSAVE)	+= cpufreq_powersave.o
 obj-$(CONFIG_CPU_FREQ_GOV_USERSPACE)	+= cpufreq_userspace.o
 obj-$(CONFIG_CPU_FREQ_GOV_ONDEMAND)	+= cpufreq_ondemand.o
 obj-$(CONFIG_CPU_FREQ_GOV_CONSERVATIVE)	+= cpufreq_conservative.o
+obj-$(CONFIG_CPU_FREQ_GOV_LAB)		+= cpufreq_lab.o
 obj-$(CONFIG_CPU_FREQ_GOV_COMMON)		+= cpufreq_governor.o
 
 # CPUfreq cross-arch helpers
diff --git a/drivers/cpufreq/cpufreq_governor.h b/drivers/cpufreq/cpufreq_governor.h
index 46bde01..3062d60 100644
--- a/drivers/cpufreq/cpufreq_governor.h
+++ b/drivers/cpufreq/cpufreq_governor.h
@@ -103,6 +103,19 @@ struct cs_cpu_dbs_info_s {
 	unsigned int enable:1;
 };
 
+struct lb_cpu_dbs_info_s {
+	struct cpu_dbs_common_info cdbs;
+	u64 prev_cpu_iowait;
+	struct cpufreq_frequency_table *freq_table;
+	unsigned int freq_lo;
+	unsigned int freq_lo_jiffies;
+	unsigned int freq_hi_jiffies;
+	unsigned int rate_mult;
+	unsigned int sample_type:1;
+
+	unsigned int last_sampling_rate;
+};
+
 /* Governers sysfs tunables */
 struct od_dbs_tuners {
 	unsigned int ignore_nice;
@@ -128,6 +141,7 @@ struct dbs_data {
 	/* Common across governors */
 	#define GOV_ONDEMAND		0
 	#define GOV_CONSERVATIVE	1
+	#define GOV_LAB			2
 	int governor;
 	unsigned int min_sampling_rate;
 	struct attribute_group *attr_group;
diff --git a/drivers/cpufreq/cpufreq_lab.c b/drivers/cpufreq/cpufreq_lab.c
new file mode 100644
index 0000000..7841a50
--- /dev/null
+++ b/drivers/cpufreq/cpufreq_lab.c
@@ -0,0 +1,553 @@
+/*
+ *  drivers/cpufreq/cpufreq_lab.c
+ *
+ *  LAB(Legacy Application Boost) cpufreq governor
+ *
+ *  Copyright (C) SAMSUNG Electronics. CO.
+ *		Jonghwa Lee <jonghw3.lee@samusng.com>
+ *		Lukasz Majewski <l.majewski@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/cpufreq.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/kernel_stat.h>
+#include <linux/kobject.h>
+#include <linux/module.h>
+#include <linux/mutex.h>
+#include <linux/percpu-defs.h>
+#include <linux/sysfs.h>
+#include <linux/tick.h>
+#include <linux/types.h>
+#include <linux/cpuidle.h>
+#include <linux/slab.h>
+
+#include "cpufreq_governor.h"
+
+/* On-demand governor macros */
+#define DEF_FREQUENCY_DOWN_DIFFERENTIAL		(10)
+#define DEF_FREQUENCY_UP_THRESHOLD		(80)
+#define DEF_SAMPLING_DOWN_FACTOR		(1)
+#define MAX_SAMPLING_DOWN_FACTOR		(100000)
+#define MICRO_FREQUENCY_DOWN_DIFFERENTIAL	(3)
+#define MICRO_FREQUENCY_UP_THRESHOLD		(95)
+#define MICRO_FREQUENCY_MIN_SAMPLE_RATE		(10000)
+#define MIN_FREQUENCY_UP_THRESHOLD		(11)
+#define MAX_FREQUENCY_UP_THRESHOLD		(100)
+
+#define MAX_HIST		10
+#define FREQ_STEP		50000
+#define IDLE_THRESHOLD		90
+
+static unsigned int lab_limit_rate[5] = {35, 20, 10, 0, 0};
+static unsigned long *ref_time;
+static unsigned int *idle_avg;
+static unsigned int **idle_hist;
+
+static struct dbs_data lb_dbs_data;
+static DEFINE_PER_CPU(struct lb_cpu_dbs_info_s, lb_cpu_dbs_info);
+
+#ifndef CONFIG_CPU_FREQ_DEFAULT_GOV_LAB
+static struct cpufreq_governor cpufreq_gov_lab;
+#endif
+
+static struct od_dbs_tuners lb_tuners = {
+	.up_threshold = DEF_FREQUENCY_UP_THRESHOLD,
+	.sampling_down_factor = DEF_SAMPLING_DOWN_FACTOR,
+	.adj_up_threshold = DEF_FREQUENCY_UP_THRESHOLD -
+			    DEF_FREQUENCY_DOWN_DIFFERENTIAL,
+	.ignore_nice = 0,
+};
+
+static void dbs_freq_increase(struct cpufreq_policy *p, unsigned int freq)
+{
+	if (p->cur == freq)
+		return;
+
+	__cpufreq_driver_target(p, freq, CPUFREQ_RELATION_L);
+}
+
+static inline int cpu_idle_calc_avg(unsigned int *p, int size)
+{
+	int i, sum;
+
+	for (i = 0, sum = 0; i < size; p++, i++)
+		sum += *p;
+
+	return (int) (sum / size);
+}
+
+/*
+ * Every sampling_rate, we check, if current idle time is less than 20%
+ * (default), then we try to increase frequency. Every sampling_rate, we look
+ * for the lowest frequency which can sustain the load while keeping idle time
+ * over 30%. If such a frequency exist, we try to decrease to this frequency.
+ *
+ * Any frequency increase takes it to the maximum frequency. Frequency reduction
+ * happens at minimum steps of 5% (default) of current frequency
+ */
+static void lb_check_cpu(int cpu, unsigned int load_freq)
+{
+	struct lb_cpu_dbs_info_s *dbs_info = &per_cpu(lb_cpu_dbs_info, cpu);
+	struct cpufreq_policy *policy = dbs_info->cdbs.cur_policy;
+	struct cpuidle_device *dev;
+	int i, idx, idle_cpus;
+	static int cnt;
+	unsigned int _max;
+
+	dbs_info->freq_lo = 0;
+
+	idle_cpus = 0;
+
+	idx = cnt++ % MAX_HIST;
+	/* Check for LAB limitation */
+	for_each_possible_cpu(i) {
+		ktime_t cur;
+		ktime_t last_idle_enter;
+		ktime_t last_idle_exit;
+		s64 delta_time;
+		unsigned int last_sampling_rate = dbs_info->last_sampling_rate;
+
+		dev = per_cpu(cpuidle_devices, i);
+		last_idle_enter = dev->last_idle_start;
+		last_idle_exit = dev->last_idle_end;
+
+		cur = ktime_get();
+
+		/* Check whether the i'th core is in idle */
+		if (ktime_to_us(ktime_sub(last_idle_enter,
+						last_idle_exit)) > 0) {
+			if (ktime_to_us(ktime_sub(cur, last_idle_enter))
+						> last_sampling_rate) {
+				delta_time = last_sampling_rate;
+			} else {
+				delta_time = ktime_to_us(ktime_sub(cur,
+							last_idle_enter));
+				if (ktime_to_us(ktime_sub(cur, last_idle_exit))
+						< last_sampling_rate)
+					delta_time += dev->states_usage[0].time
+							- ref_time[i];
+			}
+		} else {
+			delta_time = dev->states_usage[0].time - ref_time[i];
+		}
+
+		delta_time *= 100;
+		if (last_sampling_rate > 0)
+			delta_time = div_s64(delta_time, last_sampling_rate);
+		else
+			delta_time = 100;
+
+		if (delta_time > 100)
+			delta_time = 100;
+
+		idle_hist[i][idx] = delta_time;
+
+		ref_time[i] = dev->states_usage[0].time;
+
+		idle_avg[i] = cpu_idle_calc_avg(idle_hist[i],
+					cnt < 10 ? cnt : MAX_HIST);
+		if (idle_avg[i] > IDLE_THRESHOLD)
+			idle_cpus++;
+	}
+
+	_max = policy->max * (100 - lab_limit_rate[idle_cpus]);
+	_max /= 100;
+
+	if (!idx)
+		pr_debug("_max : %d, idle_cpus : %d, avg : %d %d %d %d\n", _max,
+		idle_cpus, idle_avg[0], idle_avg[1], idle_avg[2], idle_avg[3]);
+
+	/* Check for frequency increase */
+	if (load_freq > lb_tuners.up_threshold * policy->cur) {
+		unsigned int freq_next;
+		static unsigned int inc;
+
+		if (!idle_cpus)
+			inc += FREQ_STEP / 2;
+		else
+			inc += FREQ_STEP * idle_cpus;
+
+		freq_next = min(policy->cur + inc, _max);
+		if (freq_next == _max)
+			inc = 0;
+		/* If switching to max speed, apply sampling_down_factor */
+		if (policy->cur < _max)
+			dbs_info->rate_mult =
+				lb_tuners.sampling_down_factor;
+
+		dbs_freq_increase(policy, freq_next);
+		return;
+	}
+
+	/* Check for frequency decrease */
+	/* if we cannot reduce the frequency anymore, break out early */
+	if (policy->cur == policy->min)
+		return;
+
+	/*
+	 * The optimal frequency is the frequency that is the lowest that can
+	 * support the current CPU usage without triggering the up policy. To be
+	 * safe, we focus 10 points under the threshold.
+	 */
+	if (load_freq < lb_tuners.adj_up_threshold * policy->cur) {
+		unsigned int freq_next;
+		freq_next = load_freq / lb_tuners.adj_up_threshold;
+
+		/* No longer fully busy, reset rate_mult */
+		dbs_info->rate_mult = 1;
+
+		if (freq_next < policy->min)
+			freq_next = policy->min;
+
+		__cpufreq_driver_target(policy, freq_next,
+					CPUFREQ_RELATION_L);
+	}
+}
+
+static void lb_dbs_timer(struct work_struct *work)
+{
+	struct delayed_work *dw = to_delayed_work(work);
+	struct lb_cpu_dbs_info_s *dbs_info =
+		container_of(work, struct lb_cpu_dbs_info_s, cdbs.work.work);
+	unsigned int cpu = dbs_info->cdbs.cur_policy->cpu;
+	struct lb_cpu_dbs_info_s *core_dbs_info = &per_cpu(lb_cpu_dbs_info,
+			cpu);
+	int delay, sample_type = core_dbs_info->sample_type;
+	bool eval_load;
+
+	mutex_lock(&core_dbs_info->cdbs.timer_mutex);
+	eval_load = need_load_eval(&core_dbs_info->cdbs,
+			lb_tuners.sampling_rate);
+
+	/* Common NORMAL_SAMPLE setup */
+	core_dbs_info->sample_type = OD_NORMAL_SAMPLE;
+	if (sample_type == OD_SUB_SAMPLE) {
+		delay = core_dbs_info->freq_lo_jiffies;
+		if (eval_load)
+			__cpufreq_driver_target(core_dbs_info->cdbs.cur_policy,
+						core_dbs_info->freq_lo,
+						CPUFREQ_RELATION_H);
+	} else {
+		if (eval_load)
+			dbs_check_cpu(&lb_dbs_data, cpu);
+		if (core_dbs_info->freq_lo) {
+			/* Setup timer for SUB_SAMPLE */
+			core_dbs_info->sample_type = OD_SUB_SAMPLE;
+			delay = core_dbs_info->freq_hi_jiffies;
+		} else {
+			delay = delay_for_sampling_rate(lb_tuners.sampling_rate
+						* core_dbs_info->rate_mult);
+		}
+	}
+
+	dbs_info->last_sampling_rate = jiffies_to_usecs(delay);
+
+	schedule_delayed_work_on(smp_processor_id(), dw, delay);
+	mutex_unlock(&core_dbs_info->cdbs.timer_mutex);
+}
+
+/************************** sysfs interface ************************/
+
+static ssize_t show_sampling_rate_min(struct kobject *kobj,
+				      struct attribute *attr, char *buf)
+{
+	return sprintf(buf, "%u\n", lb_dbs_data.min_sampling_rate);
+}
+
+/**
+ * update_sampling_rate - update sampling rate effective immediately if needed.
+ * @new_rate: new sampling rate
+ *
+ * If new rate is smaller than the old, simply updating
+ * dbs_tuners_int.sampling_rate might not be appropriate. For example, if the
+ * original sampling_rate was 1 second and the requested new sampling rate is 10
+ * ms because the user needs immediate reaction from lab governor, but not
+ * sure if higher frequency will be required or not, then, the governor may
+ * change the sampling rate too late; up to 1 second later. Thus, if we are
+ * reducing the sampling rate, we need to make the new value effective
+ * immediately.
+ */
+static void update_sampling_rate(unsigned int new_rate)
+{
+	int cpu;
+
+	lb_tuners.sampling_rate = new_rate = max(new_rate,
+			lb_dbs_data.min_sampling_rate);
+
+	for_each_online_cpu(cpu) {
+		struct cpufreq_policy *policy;
+		struct lb_cpu_dbs_info_s *dbs_info;
+		unsigned long next_sampling, appointed_at;
+
+		policy = cpufreq_cpu_get(cpu);
+		if (!policy)
+			continue;
+		if (policy->governor != &cpufreq_gov_lab) {
+			cpufreq_cpu_put(policy);
+			continue;
+		}
+		dbs_info = &per_cpu(lb_cpu_dbs_info, cpu);
+		cpufreq_cpu_put(policy);
+
+		mutex_lock(&dbs_info->cdbs.timer_mutex);
+
+		if (!delayed_work_pending(&dbs_info->cdbs.work)) {
+			mutex_unlock(&dbs_info->cdbs.timer_mutex);
+			continue;
+		}
+
+		next_sampling = jiffies + usecs_to_jiffies(new_rate);
+		appointed_at = dbs_info->cdbs.work.timer.expires;
+
+		if (time_before(next_sampling, appointed_at)) {
+
+			mutex_unlock(&dbs_info->cdbs.timer_mutex);
+			cancel_delayed_work_sync(&dbs_info->cdbs.work);
+			mutex_lock(&dbs_info->cdbs.timer_mutex);
+
+			schedule_delayed_work_on(cpu, &dbs_info->cdbs.work,
+					usecs_to_jiffies(new_rate));
+
+		}
+		mutex_unlock(&dbs_info->cdbs.timer_mutex);
+	}
+}
+
+static ssize_t store_sampling_rate(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;
+	update_sampling_rate(input);
+	return count;
+}
+
+static ssize_t store_io_is_busy(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;
+	lb_tuners.io_is_busy = !!input;
+	return count;
+}
+
+static ssize_t store_up_threshold(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 || input > MAX_FREQUENCY_UP_THRESHOLD ||
+			input < MIN_FREQUENCY_UP_THRESHOLD) {
+		return -EINVAL;
+	}
+	/* Calculate the new adj_up_threshold */
+	lb_tuners.adj_up_threshold += input;
+	lb_tuners.adj_up_threshold -= lb_tuners.up_threshold;
+
+	lb_tuners.up_threshold = input;
+	return count;
+}
+
+static ssize_t store_sampling_down_factor(struct kobject *a,
+			struct attribute *b, const char *buf, size_t count)
+{
+	unsigned int input, j;
+	int ret;
+	ret = sscanf(buf, "%u", &input);
+
+	if (ret != 1 || input > MAX_SAMPLING_DOWN_FACTOR || input < 1)
+		return -EINVAL;
+	lb_tuners.sampling_down_factor = input;
+
+	/* Reset down sampling multiplier in case it was active */
+	for_each_online_cpu(j) {
+		struct lb_cpu_dbs_info_s *dbs_info = &per_cpu(lb_cpu_dbs_info,
+				j);
+		dbs_info->rate_mult = 1;
+	}
+	return count;
+}
+
+static ssize_t store_ignore_nice_load(struct kobject *a, struct attribute *b,
+				      const char *buf, size_t count)
+{
+	unsigned int input;
+	int ret;
+
+	unsigned int j;
+
+	ret = sscanf(buf, "%u", &input);
+	if (ret != 1)
+		return -EINVAL;
+
+	if (input > 1)
+		input = 1;
+
+	if (input == lb_tuners.ignore_nice) { /* nothing to do */
+		return count;
+	}
+	lb_tuners.ignore_nice = input;
+
+	/* we need to re-evaluate prev_cpu_idle */
+	for_each_online_cpu(j) {
+		struct lb_cpu_dbs_info_s *dbs_info;
+		dbs_info = &per_cpu(lb_cpu_dbs_info, j);
+		dbs_info->cdbs.prev_cpu_idle = get_cpu_idle_time(j,
+						&dbs_info->cdbs.prev_cpu_wall);
+		if (lb_tuners.ignore_nice)
+			dbs_info->cdbs.prev_cpu_nice =
+				kcpustat_cpu(j).cpustat[CPUTIME_NICE];
+
+	}
+	return count;
+}
+
+show_one(lb, sampling_rate, sampling_rate);
+show_one(lb, io_is_busy, io_is_busy);
+show_one(lb, up_threshold, up_threshold);
+show_one(lb, sampling_down_factor, sampling_down_factor);
+show_one(lb, ignore_nice_load, ignore_nice);
+
+define_one_global_rw(sampling_rate);
+define_one_global_rw(io_is_busy);
+define_one_global_rw(up_threshold);
+define_one_global_rw(sampling_down_factor);
+define_one_global_rw(ignore_nice_load);
+define_one_global_ro(sampling_rate_min);
+
+static struct attribute *dbs_attributes[] = {
+	&sampling_rate_min.attr,
+	&sampling_rate.attr,
+	&up_threshold.attr,
+	&sampling_down_factor.attr,
+	&ignore_nice_load.attr,
+	&io_is_busy.attr,
+	NULL
+};
+
+static struct attribute_group lb_attr_group = {
+	.attrs = dbs_attributes,
+	.name = "lab",
+};
+
+/************************** sysfs end ************************/
+
+define_get_cpu_dbs_routines(lb_cpu_dbs_info);
+
+static struct od_ops lb_ops = {
+	.freq_increase = dbs_freq_increase,
+};
+
+static struct dbs_data lb_dbs_data = {
+	.governor = GOV_LAB,
+	.attr_group = &lb_attr_group,
+	.tuners = &lb_tuners,
+	.get_cpu_cdbs = get_cpu_cdbs,
+	.get_cpu_dbs_info_s = get_cpu_dbs_info_s,
+	.gov_dbs_timer = lb_dbs_timer,
+	.gov_check_cpu = lb_check_cpu,
+	.gov_ops = &lb_ops,
+};
+
+static int lb_cpufreq_governor_dbs(struct cpufreq_policy *policy,
+		unsigned int event)
+{
+	return cpufreq_governor_dbs(&lb_dbs_data, policy, event);
+}
+
+#ifndef CONFIG_CPU_FREQ_DEFAULT_GOV_LAB
+static
+#endif
+struct cpufreq_governor cpufreq_gov_lab = {
+	.name			= "lab",
+	.governor		= lb_cpufreq_governor_dbs,
+	.max_transition_latency	= TRANSITION_LATENCY_LIMIT,
+	.owner			= THIS_MODULE,
+};
+
+static int __init cpufreq_gov_dbs_init(void)
+{
+	u64 idle_time;
+	int i, cpu = get_cpu();
+
+	mutex_init(&lb_dbs_data.mutex);
+	idle_time = get_cpu_idle_time_us(cpu, NULL);
+	put_cpu();
+	if (idle_time != -1ULL) {
+		/* Idle micro accounting is supported. Use finer thresholds */
+		lb_tuners.up_threshold = MICRO_FREQUENCY_UP_THRESHOLD;
+		lb_tuners.adj_up_threshold = MICRO_FREQUENCY_UP_THRESHOLD -
+					     MICRO_FREQUENCY_DOWN_DIFFERENTIAL;
+		/*
+		 * In nohz/micro accounting case we set the minimum frequency
+		 * not depending on HZ, but fixed (very low). The deferred
+		 * timer might skip some samples if idle/sleeping as needed.
+		*/
+		lb_dbs_data.min_sampling_rate = MICRO_FREQUENCY_MIN_SAMPLE_RATE;
+	} else {
+		/* For correct statistics, we need 10 ticks for each measure */
+		lb_dbs_data.min_sampling_rate = MIN_SAMPLING_RATE_RATIO *
+			jiffies_to_usecs(10);
+	}
+
+	/* Initialize arrays */
+	ref_time = kzalloc(GFP_KERNEL,
+			num_possible_cpus() * sizeof(unsigned long));
+	idle_avg = kzalloc(GFP_KERNEL,
+			num_possible_cpus() * sizeof(unsigned int));
+	idle_hist = kzalloc(GFP_KERNEL,
+			num_possible_cpus() * sizeof(unsigned int *));
+	for (i = 0; i < num_possible_cpus(); i++)
+		idle_hist[i] = kzalloc(GFP_KERNEL,
+					MAX_HIST * sizeof(unsigned int));
+
+	return cpufreq_register_governor(&cpufreq_gov_lab);
+}
+
+static void __exit cpufreq_gov_dbs_exit(void)
+{
+	int i;
+
+	if (!ref_time)
+		kfree(ref_time);
+	if (!idle_avg)
+		kfree(idle_avg);
+	if (!idle_hist) {
+		for (i = 0; i < num_possible_cpus(); i++) {
+			if (!idle_hist[i])
+				kfree(idle_hist[i]);
+		}
+		kfree(idle_hist);
+	}
+
+	cpufreq_unregister_governor(&cpufreq_gov_lab);
+}
+
+MODULE_AUTHOR("Jonghwa Lee <jonghwa3.lee@samsung.com>");
+MODULE_AUTHOR("Lukasz Majewski <l.majewski@samsung.com>");
+MODULE_DESCRIPTION("'cpufreq_lab' - A dynamic cpufreq governor for "
+		"Legacy Application Boosting");
+MODULE_LICENSE("GPL");
+
+#ifdef CONFIG_CPU_FREQ_DEFAULT_GOV_LAB
+fs_initcall(cpufreq_gov_dbs_init);
+#else
+module_init(cpufreq_gov_dbs_init);
+#endif
+module_exit(cpufreq_gov_dbs_exit);
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index a22944c..050f28b 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -382,6 +382,9 @@ extern struct cpufreq_governor cpufreq_gov_ondemand;
 #elif defined(CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE)
 extern struct cpufreq_governor cpufreq_gov_conservative;
 #define CPUFREQ_DEFAULT_GOVERNOR	(&cpufreq_gov_conservative)
+#elif defined(CONFIG_CPU_FREQ_DEFAULT_GOV_LAB)
+extern struct cpufreq_governor cpufreq_gov_lab;
+#define CPUFREQ_DEFAULT_GOVERNOR	(&cpufreq_gov_lab)
 #endif
 
 
