I2C_AQ_NO_ZERO_LEN_WRITE
if (q->flags & I2C_AQ_NO_ZERO_LEN_WRITE && len == 0)
#define I2C_AQ_NO_ZERO_LEN (I2C_AQ_NO_ZERO_LEN_READ | I2C_AQ_NO_ZERO_LEN_WRITE)