doc: add Meson coding style to contributors guide

[dpdk.git] / lib / librte_power / power_acpi_cpufreq.h

diff --git a/lib/librte_power/power_acpi_cpufreq.h b/lib/librte_power/power_acpi_cpufreq.h
index 1af7416..038857b 100644 (file)
--- a/lib/librte_power/power_acpi_cpufreq.h
+++ b/lib/librte_power/power_acpi_cpufreq.h
@@ -20,6 +20,16 @@
 extern "C" {
 #endif
 
+/**
+ * Check if ACPI power management is supported.
+ *
+ * @return
+ *   - 1 if supported
+ *   - 0 if unsupported
+ *   - -1 if error, with rte_errno indicating reason for error.
+ */
+int power_acpi_cpufreq_check_supported(void);
+
 /**
  * Initialize power management for a specific lcore. It will check and set the
  * governor to userspace for the lcore, get the available frequencies, and