I2C_TXN_STATE_ACQUIRED
VERIFY3U(txn->txn_state, ==, I2C_TXN_STATE_ACQUIRED);
VERIFY3U(txn->txn_state, ==, I2C_TXN_STATE_ACQUIRED);
VERIFY3U(txn->txn_state, ==, I2C_TXN_STATE_ACQUIRED);
VERIFY3U(txn->txn_state, ==, I2C_TXN_STATE_ACQUIRED);
txn->txn_state = I2C_TXN_STATE_ACQUIRED;