BANK_SEL_SENS
i2c_smbus_write_byte_data(client, BANK_SEL, BANK_SEL_SENS);
{ BANK_SEL, BANK_SEL_SENS },
{BANK_SEL, BANK_SEL_SENS},
ret = i2c_smbus_write_byte_data(client, BANK_SEL, BANK_SEL_SENS);