12.11.2020 23:01, Mark Brown пишет: >> But it's not allowed to change voltage of a dummy regulator, is it >> intentional? > Of course not, we can't know if the requested new voltage is valid - the > driver would have to have explict support for handling situations where > it's not possible to change the voltage (which it can detect through > enumerating the values it wants to set at startup). > > [Requesting the same supply multiple times] But how driver is supposed to recognize that it's a dummy or buggy regulator if it rejects all voltages?