MODE_I2C_READ
mode |= MODE_I2C_READ;
return i2c_algo_dp_aux_transaction(adapter, MODE_I2C_READ, 0, byte_ret);
if (mode & MODE_I2C_READ)
case MODE_I2C_READ:
if (mode == MODE_I2C_READ) {
mode |= MODE_I2C_READ;