#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