Lots of people do something like this. It should work fine with the one caveat that the iris buttons are known for going to sleep if they aren’t used frequently, which means you may have to tap it twice every once in a while to get the light to turn on.
And of course there’s always the issue of how do you get people to not turn it off with the regular switch.
It should work fine with the one caveat that the iris buttons are known for going to sleep if they aren’t used frequently, which means you may have to tap it twice every once in a while to get the light to turn on.