136 	int ret;  in vl6180_read()  local
148 	int ret;  in vl6180_read_byte()  local
160 	int ret;  in vl6180_read_word()  local
174 	int ret;  in vl6180_write_byte()  local
194 	int ret;  in vl6180_write_word()  local
211 	int tries = 20, ret;  in vl6180_measure()  local
297 	int ret;  in vl6180_read_raw()  local
362 	int i, ret, gain;  in vl6180_set_als_gain()  local
393 	int ret, it_ms;  in vl6180_set_it()  local
445 	int ret;  in vl6180_init()  local
500 	int ret;  in vl6180_probe()  local