231 static int read_smc(u8 cmd, const char *key, u8 *buffer, u8 len)  in read_smc()  argument
252 		buffer[i] = inb(APPLESMC_DATA_PORT);  in read_smc()
269 static int write_smc(u8 cmd, const char *key, const u8 *buffer, u8 len)  in write_smc()  argument
284 		if (send_byte(buffer[i], APPLESMC_DATA_PORT)) {  in write_smc()
436 static int applesmc_read_key(const char *key, u8 *buffer, u8 len)  in applesmc_read_key()  argument
444 	return applesmc_read_entry(entry, buffer, len);  in applesmc_read_key()
447 static int applesmc_write_key(const char *key, const u8 *buffer, u8 len)  in applesmc_write_key()  argument
455 	return applesmc_write_entry(entry, buffer, len);  in applesmc_write_key()
475 	u8 buffer[2];  in applesmc_read_s16()  local
478 	ret = applesmc_read_key(key, buffer, 2);  in applesmc_read_s16()
482 	*value = ((s16)buffer[0] << 8) | buffer[1];  in applesmc_read_s16()
492 	u8 buffer[2];  in applesmc_device_init()  local
498 		if (!applesmc_read_key(MOTION_SENSOR_KEY, buffer, 2) &&  in applesmc_device_init()
499 				(buffer[0] != 0x00 || buffer[1] != 0x00))  in applesmc_device_init()
501 		buffer[0] = 0xe0;  in applesmc_device_init()
502 		buffer[1] = 0x00;  in applesmc_device_init()
503 		applesmc_write_key(MOTION_SENSOR_KEY, buffer, 2);  in applesmc_device_init()
748 	u8 buffer[10];  in applesmc_light_show()  local
760 	ret = applesmc_read_key(LIGHT_SENSOR_LEFT_KEY, buffer, data_length);  in applesmc_light_show()
763 		left = be16_to_cpu(*(__be16 *)(buffer + 6)) >> 2;  in applesmc_light_show()
766 	left = buffer[2];  in applesmc_light_show()
769 	ret = applesmc_read_key(LIGHT_SENSOR_RIGHT_KEY, buffer, data_length);  in applesmc_light_show()
770 	right = buffer[2];  in applesmc_light_show()
812 	u8 buffer[2];  in applesmc_show_fan_speed()  local
816 	ret = applesmc_read_key(newkey, buffer, 2);  in applesmc_show_fan_speed()
817 	speed = ((buffer[0] << 8 | buffer[1]) >> 2);  in applesmc_show_fan_speed()
832 	u8 buffer[2];  in applesmc_store_fan_speed()  local
839 	buffer[0] = (speed >> 6) & 0xff;  in applesmc_store_fan_speed()
840 	buffer[1] = (speed << 2) & 0xff;  in applesmc_store_fan_speed()
841 	ret = applesmc_write_key(newkey, buffer, 2);  in applesmc_store_fan_speed()
854 	u8 buffer[2];  in applesmc_show_fan_manual()  local
856 	ret = applesmc_read_key(FANS_MANUAL, buffer, 2);  in applesmc_show_fan_manual()
857 	manual = ((buffer[0] << 8 | buffer[1]) >> to_index(attr)) & 0x01;  in applesmc_show_fan_manual()
870 	u8 buffer[2];  in applesmc_store_fan_manual()  local
877 	ret = applesmc_read_key(FANS_MANUAL, buffer, 2);  in applesmc_store_fan_manual()
878 	val = (buffer[0] << 8 | buffer[1]);  in applesmc_store_fan_manual()
887 	buffer[0] = (val >> 8) & 0xFF;  in applesmc_store_fan_manual()
888 	buffer[1] = val & 0xFF;  in applesmc_store_fan_manual()
890 	ret = applesmc_write_key(FANS_MANUAL, buffer, 2);  in applesmc_store_fan_manual()
904 	u8 buffer[17];  in applesmc_show_fan_position()  local
908 	ret = applesmc_read_key(newkey, buffer, 16);  in applesmc_show_fan_position()
909 	buffer[16] = 0;  in applesmc_show_fan_position()
914 		return snprintf(sysfsbuf, PAGE_SIZE, "%s\n", buffer+4);  in applesmc_show_fan_position()
953 	u8 buffer[4];  in applesmc_key_count_show()  local
956 	ret = applesmc_read_key(KEY_COUNT_KEY, buffer, 4);  in applesmc_key_count_show()
957 	count = ((u32)buffer[0]<<24) + ((u32)buffer[1]<<16) +  in applesmc_key_count_show()
958 						((u32)buffer[2]<<8) + buffer[3];  in applesmc_key_count_show()