int cm206_lock_door(struct cdrom_device_info *cdi, int lock) 
static int cm206_lock_door(struct cdrom_device_info *cdi, int lock) 
int cm206_lock_door(struct cdrom_device_info *cdi, int lock){	uch command = (lock) ? c_lock_tray : c_unlock_tray;	type_0_command(command, 1);	/* wait and get dsb */	/* the logic calculates the success, 0 means successful */	return lock ^ ((cd->dsb & dsb_tray_locked) != 0);}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/8b3d4a2a3ef9488d4477e8823106abfd6039eb66/cm206.c/clean/drivers/cdrom/cm206.c