FXL6408_REG_DEVICE_ID
{ FXL6408_REG_DEVICE_ID, FXL6408_REG_DEVICE_ID },
{ FXL6408_REG_DEVICE_ID, FXL6408_REG_DEVICE_ID },
{ FXL6408_REG_DEVICE_ID, FXL6408_REG_DEVICE_ID },
ret = regmap_read(regmap, FXL6408_REG_DEVICE_ID, &val);