Squashandroid-20111012

Change-Id: If0ae9fa8067740ab2ede33703c79ec134f204a5e

1 files changed, 21 insertions, 0 deletions

diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 938b74ea9ff..89294ce1067 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -462,6 +462,27 @@ show_one(scaling_cur_freq, cur);
 static int __cpufreq_set_policy(struct cpufreq_policy *data,
 				struct cpufreq_policy *policy);
 
+int cpufreq_update_freq(int cpu, unsigned int min, unsigned int max)
+{
+	int ret;
+	struct cpufreq_policy new_policy;
+	struct cpufreq_policy *policy = cpufreq_cpu_get(cpu);
+
+	ret = cpufreq_get_policy(&new_policy, cpu);
+	if (ret)
+		return -EINVAL;
+
+	new_policy.min = min;
+	new_policy.max = max;
+
+	ret = __cpufreq_set_policy(policy, &new_policy);
+	policy->user_policy.min = policy->min;
+	policy->user_policy.max = policy->max;
+
+	return 0;
+}
+EXPORT_SYMBOL(cpufreq_update_freq);
+
 /**
  * cpufreq_per_cpu_attr_write() / store_##file_name() - sysfs write access
  */