static ssize_t
cpufreq_ceiling_store(struct kobject *kobj, struct kobj_attribute *attr,
const char *buf, size_t n)
{
int val, ret = -EINVAL;
if (sscanf(buf, "%d", &val) > 0) {
if (val == 11 && !is_perf_lock_active(&user_cpu_ceiling_lock)) {
perf_lock(&user_cpu_ceiling_lock);
ret = n;
} else if (val == 10 && is_perf_lock_active(&user_cpu_ceiling_lock)) {
perf_unlock(&user_cpu_ceiling_lock);
ret = n;
} else {
switch (val){
ceiling_level_wrapper(0, 1, PERF_LOCK_LOWEST);
ceiling_level_wrapper(2, 3, PERF_LOCK_LOW);
ceiling_level_wrapper(4, 5, PERF_LOCK_MEDIUM);
ceiling_level_wrapper(6, 7, PERF_LOCK_HIGH);
ceiling_level_wrapper(8, 9, PERF_LOCK_HIGHEST);
default:
break;
}
ret = n;
}
}
return ret;
}
static ssize_t
cpufreq_ceiling_store(struct kobject *kobj, struct kobj_attribute *attr,
const char *buf, size_t n)
{
int val;
if (sscanf(buf, "%d", &val) > 0) {
switch (val){
ceiling_level_wrapper(0, 1, CEILING_LEVEL_HIGHEST);
ceiling_level_wrapper(2, 3, CEILING_LEVEL_HIGH);
ceiling_level_wrapper(4, 5, CEILING_LEVEL_MEDIUM);
default:
/* no matching level found */
break;
}
return n;
}
return -EINVAL;
}
