Laundry softener dispensing in laundry machines

A method for treating laundry in a laundry machine comprising:

• a rotatable drum configured to receive laundry to be treated;
• a washing tub enclosing said drum;
• a water supply apparatus configured to supply water into said washing tub;
• a control unit programmed to control at least said drum and water supply apparatus to carry out a laundry treatment cycle;
• a laundry treatment agent dispensing device configured to deliver into the washing tub at least one laundry treatment agent selected between a laundry detergent and a laundry softener, said laundry treatment agent dispensing device comprising a first reservoir configured to be at least partially filled with said laundry detergent and a second reservoir configured to be at least partially filled with said laundry softener, and
• a control system, in signal communication with the control unit, configured to provide a softener signal configured to alternately:
• set a first value for the softener signal indicating that no laundry softener quantity will be delivered into the washing tub during said laundry treatment cycle upon receiving a first control input or no control input indicating that no laundry softener is to be delivered, and
• set a second value for the softener signal indicating that a laundry softener quantity will be delivered into the washing tub during said laundry treatment cycle upon receiving a second control input indicating that laundry softener is to be delivered;
• wherein the method comprises:
• performing a washing phase in which the laundry treatment agent dispensing device delivers said detergent into the washing tub;
• and
• performing a number of rinsing phases wherein detergent used in the washing phase is removed from laundry by using water provided by said water supply apparatus;
• wherein the control unit sets the number of rinsing phases to be performed according to whether the value set by the softener signal is the first value or the second value.