LINESTAT_ACK_DET
#define LINESTAT_ACK_OR_NACK_DET (LINESTAT_ACK_DET | LINESTAT_NACK_DET)
[CMD_RET_ACK] = LINESTAT_ACK_DET | LINESTAT_NACK_DET,
if (i2c->line_status & LINESTAT_ACK_DET ||
if (i2c->line_status & LINESTAT_ACK_DET) {