#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,};inttpacpi_led_set(intwhichled,boolon);#endif