Edit File: thinkpad_acpi.h
#ifndef __THINKPAD_ACPI_H__ #define __THINKPAD_ACPI_H__ /* These two functions return 0 if success, or negative error code (e g -ENODEV if no led present) */ enum { TPACPI_LED_MUTE, TPACPI_LED_MICMUTE, TPACPI_LED_MAX, }; int tpacpi_led_set(int whichled, bool on); #endif