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imx6solox  audio  volue addition and subtraction

Question asked by zhang ha on Dec 4, 2018
Latest reply on Dec 6, 2018 by zhang ha

I  want  to  add  two Volume addition and subtraction buttons,should i  add  this  two GPIO to 1.8V  CSI module which control  WM8962BECSN/R   or  other Casual 3.3V  module?