1 files changed, 9 insertions, 1 deletions

diff --git a/tools/power/cpupower/utils/helpers/sysfs.h b/tools/power/cpupower/utils/helpers/sysfs.h
index 8cb797bbceb0..d28f11fedbda 100644
--- a/tools/power/cpupower/utils/helpers/sysfs.h
+++ b/tools/power/cpupower/utils/helpers/sysfs.h
@@ -7,8 +7,16 @@
 
 extern unsigned int sysfs_read_file(const char *path, char *buf, size_t buflen);
 
+extern unsigned int sysfs_idlestate_file_exists(unsigned int cpu,
+                                                unsigned int idlestate,
+                                                const char *fname);
+
 extern int sysfs_is_cpu_online(unsigned int cpu);
 
+extern int sysfs_is_idlestate_disabled(unsigned int cpu,
+                                       unsigned int idlestate);
+extern int sysfs_idlestate_disable(unsigned int cpu, unsigned int idlestate,
+                                   unsigned int disable);
 extern unsigned long sysfs_get_idlestate_latency(unsigned int cpu,
                                                 unsigned int idlestate);
 extern unsigned long sysfs_get_idlestate_usage(unsigned int cpu,
@@ -19,7 +27,7 @@ extern char *sysfs_get_idlestate_name(unsigned int cpu,
                                 unsigned int idlestate);
 extern char *sysfs_get_idlestate_desc(unsigned int cpu,
                                 unsigned int idlestate);
-extern int sysfs_get_idlestate_count(unsigned int cpu);
+extern unsigned int sysfs_get_idlestate_count(unsigned int cpu);
 
 extern char *sysfs_get_cpuidle_governor(void);
 extern char *sysfs_get_cpuidle_driver(void);